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60 Environmental Rules onthe Way Out Under Trump

60 Environmental Rules onthe Way Out Under Trump

Since taking office in January, President Trump has made eliminating federal regulations a priority. His administration — with help from Republicans in Congress — has often targeted environmental rules it sees as overly burdensome to the fossil fuel industry, including major Obama-era policies aimed at fighting climate change.

To date, the Trump administration has sought to reverse at least 60 environmental rules, according to a New York Times analysis, based on research from Harvard Law School’s Environmental Regulation Rollback Tracker, Columbia Law School’s Climate Tracker and other sources.

29 rules have been overturned
  • Flood building standards
  • Proposed ban on a potentially harmful pesticide
  • Freeze on new coal leases on public lands
  • Methane reporting requirement
  • Anti-dumping rule for coal companies
  • Decision on Keystone XL pipeline
  • Decision on Dakota Access pipeline
  • Third-party settlement funds
  • Offshore drilling ban in the Atlantic and Arctic
  • Ban on seismic air gun testing in the Atlantic
  • Northern Bering Sea climate resilience plan
  • Royalty regulations for oil, gas and coal
  • Inclusion of greenhouse gas emissions in environmental reviews
  • Permit-issuing process for new infrastructure projects
  • Green Climate Fund contributions
  • Mining restrictions in Bristol Bay, Alaska
  • Endangered species listings
  • Hunting ban on wolves and grizzly bears in Alaska
  • Protections for whales and sea turtles
  • Reusable water bottles rule for national parks
  • National parks climate order
  • Environmental mitigation for federal projects
  • Calculation for “social cost” of carbon
  • Planning rule for public lands
  • Copper filter cake listing as hazardous waste
  • Mine cleanup rule
  • Sewage treatment pollution regulations
  • Ban on use of lead ammunition on federal lands
  • Restrictions on fishing
24 rollbacks are
in progress
  • Clean Power Plan
  • Paris climate agreement
  • Wetland and tributary protections
  • Car and truck fuel-efficiency standards
  • Status of 10 national monuments
  • Status of 12 marine areas
  • Limits on toxic discharge from power plants
  • Coal ash discharge regulations
  • Emissions standards for new, modified and reconstructed power plants
  • Emissions rules for power plant start-up and shutdown
  • Sage grouse habitat protections
  • Fracking regulations on public lands
  • Regulations on oil and gas drilling in some national parks
  • Oil rig safety regulations
  • Regulations for offshore oil and gas exploration by floating vessels
  • Drilling in the Arctic Wildlife Refuge
  • Hunting method regulations in Alaska
  • Requirement for tracking emissions on federal highways
  • Emissions standards for trailers and glider kits
  • Limits on methane emissions on public lands
  • Permitting process for air-polluting plants
  • Offshore oil and gas leasing
  • Use of birds in subsistence handicrafts
  • Coal dust rule
7 rollbacks are
in limbo
  • Methane emission limits at new oil and gas wells
  • Limits on landfill emissions
  • Mercury emission limits for power plants
  • Hazardous chemical facility regulations
  • Groundwater protections for uranium mines
  • Efficiency standards for federal buildings
  • Rule helping consumers buy fuel-efficient tires

The chart above reflectsnumbers above reflect three types of policy changes: rules that have been officially reversed; announcements and changes still in progress, pending reviews and other rulemaking procedures; and regulations whose status is unclear because of delays or court actions. (Several rules were undone but later reinstated after legal challenges.)

The process of rolling back the regulations has not been smooth, in part because the administration has tried to bypass the formal rulemaking process in some cases. On more than one occasion, the administration has tried to roll back a rule by announcing its intent but skipping steps such as notifying the public and asking for comment. This has led to a new kind of legal challenge, according to Joseph Goffman, executive director of Harvard’s environmental law program. Courts are now being asked to intervene to get agencies to follow the process.

Regulations have often been reversed as a direct response to petitions from oil, coal and gas companies and other industry groups, which have enjoyed a much closer relationship with key figures in the Trump administration than under President Barack Obama.

Scott Pruitt, the head of the Environmental Protection Agency, has met almost daily with industry executives and lobbyists. (As Oklahoma’s attorney general, Mr. Pruitt sued the agency he now oversees more than a dozen times to try to block Obama-era rules.) The E.P.A. has been involved in nearly one-third of the policy reversals identified by The Times.

Here are the details for each policy targeted by the administration so far — including who lobbied to get the regulations changed. Are there rules we missed? Email climateteam@nytimes.com or tweet @nytclimate.

overturned

1. Revoked Obama-era flood standards for federal infrastructure projects
This Obama-era rule, revoked by Mr. Trump in August, required that federal agencies protect new infrastructure projects by building to higher flood standards. Building trade groups and many Republican lawmakers opposed it as costly and burdensome.
2. Rejected a proposed ban on a potentially harmful pesticide
Dow Agrosciences, which sells the pesticide chlorpyrifos, opposed a risk analysis by the Obama-era E.P.A. that found the compound posed a risk to fetal brain and nervous system development. Mr. Pruitt rejected the E.P.A.’s analysis, arguing the chemical needed further study.
3. Lifted a freeze on new coal leases on public lands
Coal companies weren’t thrilled about the Obama administration’s three-year freeze pending an environmental review. Mr. Zinke, the interior secretary, revoked the freeze and review in March. He appointed members to a new advisory committee on coal royalties in September.
4. Canceled a requirement for oil and gas companies to report methane emissions
In March, Republican officials from 11 states wrote a letter to Mr. Pruitt, saying the rule added costs and paperwork for oil and gas companies. The next day, Mr. Pruitt revoked the rule.
5. Revoked a rule that prevented coal companies from dumping mining debris into local streams
The coal industry said the rule was overly burdensome, calling it part of a “war on coal.” In February, Congress passed a bill revoking the rule, which Mr. Trump signed into law.
6. Approved the Keystone XL pipeline
Republicans, along with oil, gas and steel industry groups, opposed Mr. Obama’s decision to block the pipeline, arguing that the project would create jobs and support North American energy independence. After the pipeline company reapplied for a permit, the Trump administration approved it. In November, state regulators in Nebraska, where the pipeline would pass through, approved the project but rejected the pipeline company’s proposed route.
7. Approved the Dakota Access pipeline
Republicans criticized Mr. Obama for delaying construction after protests led by the Standing Rock Sioux Tribe. Mr. Trump ordered an expedited review of the pipeline, and the Army approved it. Crude oil began flowing June 1, but a federal judge later ordered a new environmental review. The pipeline can continue to operate, but its owners must develop a spill response plan with federal and tribal officials near Lake Oahe in North Dakota, enlist third-party auditors and produce bimonthly reports.
8. Prohibited funding third-party projects through federal lawsuit settlements, which could include environmental programs
Companies settling lawsuits with the federal government have sometimes paid for third-party projects, like when Volkswagen put $2.7 billion toward pollution-fighting programs after its emissions cheating scandal. The Justice Department has now prohibited such payments, which some conservatives have called “slush funds.”
9. Repealed a ban on offshore oil and gas drilling in the Atlantic and Arctic oceans
Lobbyists for the oil industry were opposed to Mr. Obama’s use of the Outer Continental Shelf Lands Act to permanently ban offshore drilling along parts of the Atlantic coast and much of the ocean around Alaska. Mr. Trump repealed the policy in an April executive order and instructed his interior secretary, Mr. Zinke, to review the locations made available for offshore drilling.
10. Proposed the use of seismic air guns for gas and oil exploration in the Atlantic
Following a executive order in April known as the America-First Offshore Energy Strategy, the Trump administration began an application process to allow five oil and gas companies to survey the Atlantic using seismic air guns, which fire loud blasts that can harm whales, fish and turtles. The Obama administration had previously denied such permits.
11. Revoked a 2016 order protecting the northern Bering Sea region in Alaska
Mr. Trump revoked a 2016 order by Mr. Obama that was meant to protect the Bering Sea and Bering Strait by conserving biodiversity, engaging Alaska Native tribes and building a sustainable economy in the Arctic, which is vulnerable to climate change. Senator Lisa Murkowski, Republican of Alaska, has said she will work on new legislation that would reinstate the part of Mr. Obama’s order that required policies be vetted by the region’s tribes.
12. Repealed an Obama-era rule regulating royalties for oil, gas and coal
Lobbyists for the fossil fuel industry opposed 2016 Interior Department regulations meant to ensure fair royalties were paid to the government for oil, gas and coal extracted from federal or tribal land. In August, the Trump administration rescinded the rule, saying it caused “confusion and uncertainty” for energy companies.
13. Withdrew guidance for federal agencies to include greenhouse gas emissions in environmental reviews
Republicans in Congress opposed the guidelines, which advised federal agencies to account for possible climate effects in environmental impact reviews. They argued that the government lacked the authority to make such recommendations, and that the new rules would slow down the issuing of permits. Critics say that by eliminating the guidance, the administration is inviting lawsuits that could slow down permitting even more.
14. Relaxed the environmental review process for federal infrastructure projects
Oil and gas industry leaders said the permit-issuing process for new infrastructure projects was costly and cumbersome. In an August executive order, Mr. Trump announced a policy he said would streamline the process for pipelines, bridges, power lines and other federal projects. The order put a single federal agency in charge of navigating environmental reviews, instituted a 90-day timeline for permit authorization decisions and set a goal of completing the full process in two years.
15. Announced intent to stop payments to the Green Climate Fund
Mr. Trump said he would cancel payments to the fund, a United Nations program that helps developing countries reduce emissions and adapt to climate change. Mr. Obama had pledged $3 billion, $1 billion of which Congress has already paid out over the opposition of some Republicans.
16. Dropped proposed restrictions on mining in Bristol Bay, Alaska
A Canadian company sued the E.P.A. over an Obama-era plan to restrict mining in Bristol Bay, an important salmon fishery. The Trump administration settled the suit and allowed the company to apply for permits to build a large gold and copper mine in the area. Commercial fishermen say the mine threatens the spawning and rearing habitat of the region’s salmon. Alaska Republicans, including Senator Murkowski, supported the mine.
17. Removed a number of species from the endangered list
Arguing that they no longer warranted protection, the Trump administration removed a number of species from the endangered and threatened species lists, including the Yellowstone grizzly bear, which the Obama administration had also proposed removing. While Republicans had long pushed to have the bears removed, environmentalists said the population had not yet recovered.
18. Overturned a ban on the hunting of predators in Alaskan wildlife refuges
Alaskan politicians opposed the law, which prevented hunters from shooting wolves and grizzly bears on wildlife refuges, arguing that the state has authority over those lands. Congress passed a bill revoking the rule, which Mr. Trump signed into law.
19. Withdrew proposed limits on endangered marine mammals caught by fishing nets on the West Coast
Under Mr. Trump, the National Marine Fisheries Service withdrew the proposed rule, noting high costs to the fishing industry and arguing that sufficient protections were already in place.
20. Stopped discouraging the sale of plastic water bottles in national parks
The National Park Service had urged parks to reduce or eliminate the sale of disposable plastic water bottles in favor of filling stations and reusable bottles. The International Bottled Water Association called the action unjustified.
21. Rescinded an Obama-era order to consider climate change in managing natural resources in national parks
The 2016 policy, which called for scientific park management, among other objectives, was contested by Republicans. In August, the National Park Service said it rescinded the policy to eliminate confusion among the public and National Park Service employees regarding the Trump administration’s “new vision” for America’s parks.
22. Revoked directive for federal agencies to mitigate the environmental impacts of projects they approve
In a March executive order, Mr. Trump revoked an Obama-era memorandum that instructed five federal agencies to “avoid and then minimize” the impacts of development on water, wildlife, land and other natural resources. The memo also encouraged private investment in restoration projects.
23. Directed agencies to stop using an Obama-era calculation of the “social cost of carbon”
As part of an expansive March 2017 executive order, Mr. Trump directed agencies to stop using an Obama-era calculation that helped rulemakers monetize the costs of carbon emissions and instead base their estimates on a 2003 cost-benefit analysis. Despite the federal rollback, several states, including New York and Minnesota, are using the Obama-era metric to help reduce emissions from their energy grids.
24. Revoked an update to the Bureau of Land Management’s public land use planning process
Republicans and fossil fuel industry groups opposed the updated planning rule for public lands, arguing that it gave the federal government too much power at the expense of local and business interests. Congress passed a bill revoking the rule, which Mr. Trump signed into law.
25. Removed copper filter cake, an electronics manufacturing byproduct, from the “hazardous waste” list
Samsung petitioned the E.P.A. to delist the waste product, which is produced during electroplating at its Texas semiconductor facility. The E.P.A. granted the petition after a public comment period.
26. Reversed a proposed rule that mines prove they can pay for cleanup
Mining groups and Western-state Republicans opposed an Obama-era proposal that mining companies prove they have the money to clean up pollution left behind at their sites. Abandoned mines have left waterways polluted in many parts of the country. In December, the Trump administration rejected the proposed rule, saying it would impose an undue burden on rural America and on an important sector of the economy.
27. Withdrew a proposed rule reducing pollutants at sewage treatment plants
In December 2016, the E.P.A. proposed a rule requiring sewage treatment plants to further regulate emissions, which can include hazardous air pollutants, including formaldehyde, toluene and tetrachloroethylene.
28. Overturned ban on use of lead ammunition on federal lands
Mr. Zinke overturned the Obama-era order, which banned the use of lead ammunition and fish tackle on lands and waters managed by the Fish and Wildlife Service, citing lack of “significant communication, consultation or coordination with affected stakeholders.”
29. Amended fishing regulations for a number of species
After a push by commercial fishing groups, the Trump administration began to roll back regulations on catch limits and season openings for various species of fish, including gray triggerfish, while proposing to review rules for others.

in progress

30. Proposed repeal of the Clean Power Plan
Coal companies and Republican officials in many states opposed the plan, which set limits on carbon emissions from existing coal- and gas-fired power plants. Mr. Trump issued an executive order in March instructing the E.P.A. to re-evaluate the plan, which had not taken effect. In October, the E.P.A. proposed repealing the plan without a replacement, but Mr. Pruitt said in a House hearing in December that the agency did intend to replace it. A full repeal would invite more lawsuits because the Supreme Court has ruled and the E.P.A. has determined that the agency must regulate carbon emissions. As required by law, the E.P.A. is accepting public comment on the repeal.
31. Announced intent to withdraw the United States from the Paris climate agreement
Arguing that it tied his hands in matters of domestic energy policy, Mr. Trump announced that the United States would withdraw from the Paris accord, under which the United States had pledged to cut emissions by 26 to 28 percent below 2005 levels by 2025. The Trump administration has formally notified the United Nations of its intent to withdraw, but it cannot complete the process until late 2020. The United States is the only country in the world opposed to the agreement.
32. Proposed rescinding a rule that protected tributaries and wetlands under the Clean Water Act
Farmers, real estate developers, golf course owners and many Republicans opposed an Obama-era clarification of the Clean Water Act, called the Waters of the United States rule, that extended protections over small waterways. Under Mr. Trump’s direction, Mr. Pruitt released a proposal in June to roll back the expanded definition. In November the E.P.A. proposed delaying the effective date of the rule to 2020 from 2018.
33. Reopened a review of fuel-efficiency standards for cars and trucks
Automakers said it would be difficult and costly to meet fuel economy goals they had agreed upon with the Obama administration. Under Mr. Trump, the E.P.A. and Department of Transportation have reopened a standards review for model years 2021 through 2025. The administration is also considering easing penalties on automakers who do not comply with the federal standards.
34. Recommended shrinking or modifying 10 national monuments
Republicans in Congress said the Antiquities Act, which allows presidents to designate national monuments, had been abused by previous administrations. Mr. Obama used the law to protect more than 4 million acres of land and several million square miles of ocean. Mr. Trump ordered a review of recent monuments, culminating in proclamations that shrank two Utah sites, reducing Bears Ears National Monument by 85 percent and Grand Staircase-Escalante almost by half. At least five lawsuits are challenging the modifications.
35. Reviewing 12 marine protected areas
As part of his April executive order aimed at expanding offshore oil and gas drilling, Mr. Trump called for a review of national marine sanctuaries and monuments designated or expanded within the past decade. In June, the National Oceanic and Atmospheric Administration announced that 12 protected marine areas were under review. In his recommendation to the president, Mr. Zinke, the interior secretary, called for introducing commercial fishing in three protected marine areas: Rose Atoll, in the South Pacific; Pacific Remote Islands, to the south and west of Hawaii; and Northeast Canyons and Seamounts, off the coast of New England.
36. Reviewing limits on toxic discharge from power plants into public waterways
Utility and fossil fuel industry groups opposed the rule, which limited the amount of toxic metals — arsenic, lead and mercury, among others — power plants could release into public waterways. Industry representatives said complying with the guidelines, which were to take effect in 2018, would be extremely expensive. In September, Mr. Pruitt postponed the rule until 2020.
37. Reviewing rules regulating coal ash waste from power plants
Utility industry groups petitioned to change the rule, which regulates how power plants dispose of coal ash in waste pits that are often located near waterways. The E.P.A. agreed to reconsider the rule.
38. Reviewing emissions standards for new, modified and reconstructed power plants
In addition to the Clean Power Plan, Mr. Trump’s Executive Order on Promoting Energy Independence called on the E.P.A. to review a related rule limiting carbon dioxide emissions from new, modified and reconstructed power plants.
39. Reviewing emissions rules for power plant start-ups, shutdowns and malfunctions
Power companies and other industry groups sued the Obama administration over the rule, which asked 36 states to tighten emissions exemptions for power plants and other facilities. The E.P.A. under Mr. Trump asked the court to suspend the case while the rule undergoes review.
40. Announced plans to review greater sage grouse habitat protections
Oil and gas industry leaders called the Obama administration’s plan for protecting the bird, whose numbers have plummeted in recent years, “deeply flawed” and welcomed an Interior Department review. In 2015, when the plan was created, Sally Jewell, then interior secretary, called it “the largest, most complex land conservation effort ever in the history of the United States.” In October, the Bureau of Land Management issued a notice that would shift management plans to the states. Public comment on the proposal is open through Jan. 5.
41. Announced plans to rescind water pollution regulations for fracking on federal and Indian lands
Energy companies petitioned the Bureau of Land Management to rescind the rule, which was proposed by Mr. Obama in 2015 but never enforced amid legal challenges. In July, the bureau announced plans to revoke the rule, citing Mr. Trump’s “prioritization of domestic energy production.”
42. Ordered review of regulations on oil and gas drilling in national parks where mineral rights are privately owned
Mr. Trump’s March executive order called for a review of Obama-era updates to a 50-year-old rule regulating oil and gas drilling in national parks with shared ownership. (Most national parks are owned solely by the government, and drilling in them is banned. In some parks, though, the government owns the surface but the mineral rights are privately held.)
43. Reviewing new safety regulations on offshore drilling
The American Petroleum Institute and other trade groups wrote to the Trump administration, raising concerns over oil rig safety regulations implemented after the 2010 Deepwater Horizon explosion and oil spill. In August, the Bureau of Safety and Environmental Enforcement confirmed it was moving forward with the review. Mr. Trump had ordered a review of the rules earlier in the year.
44. Ordered a review of a rule regulating offshore oil and gas exploration by floating vessels in the Arctic
As part of the expansive executive order on offshore drilling, Mr. Trump called for an immediate review of a rule intended to strengthen safety and environmental standards for exploratory drilling in the Arctic. The rule, a response to the 2013 Kulluk accident in the Gulf of Alaska, increased oversight of floating vessels and other mobile offshore drilling units.
45. Proposed ending a restriction on exploratory drilling in the Arctic National Wildlife Refuge
Republicans have long sought to to open the Alaska refuge to gas and oil drilling. In August, an Interior Department internal memo proposed lifting restrictions on exploratory seismic studies in the region, which is home to polar bears, caribou and other Arctic animals. A proposal championed by Senator Murkowski, which is included in the tax bill that has passed the Senate, would allow drilling in part of the refuge.
46. Ordered a review of federal regulations on hunting methods in Alaska
Obama-era rules prohibited certain hunting methods in Alaska’s national preserves. They overruled state law, which had allowed hunters to bait bears with food, shoot caribou from boats and kill bear cubs with their mothers present. Alaska sued the Interior Department, claiming that the regulations affected traditional harvesting. The Trump administration ordered a review.
47. Proposed repeal of a requirement for reporting emissions on federal highways
Transportation and infrastructure industry groups opposed a measure that required state and local officials to track greenhouse gas emissions from vehicles on federally funded highways. The rule took effect in September after the Trump administration’s attempts to postpone it were challenged in court. But the administration formally proposed reversing the rule the next week.
48. Proposed a repeal of emissions standards for trailers and glider kits
Stakeholders in the transportation industry opposed the Obama-era rule, which for the first time applied emissions standards to trailers and glider vehicles. They argued that the E.P.A. lacked the authority to regulate them, because their products are not motorized. In November, the E.P.A. proposed repealing the standards.
49. Suspended rule limiting methane emissions on public lands
The oil and gas industry opposed the rule, which required companies to control methane emissions on federal or tribal land. The House voted this year to revoke the rule, but the Senate rejected the measure, 51 to 49. In December, after a series of legal challenges, the Bureau of Land Management published a notice in the Federal Register delaying the requirements for a year. The administration is also working separately to repeal the rule completely.
50. Announced plans to review permitting programs for air-polluting plants
In an October memorandum, Mr. Pruitt announced that a panel would be established to reconsider a permitting process for building new facilities like power plants that pollute the air. “The potential costs, complexity, and delays that may arise” from the permitting process, Mr. Pruitt wrote, could “slow the construction of domestic energy exploration, production or transmission facilities.”
51. Reopened outer continental shelf oil and gas leasing plans
Drilling supporters and Republican lawmakers pushed Mr. Zinke to revise a five-year offshore oil and gas leasing plan. The most recent version was finalized in January under the Obama administration and put much of the outer continental shelf off limits to drillers.
52. Overturned a ban on using parts of migratory birds in handicrafts made in Alaska
The Alaska Migratory Bird Co-Management Council — which includes federal, state and Alaska Native representation — recommended changes to the rule, which banned making handicrafts in Alaska from inedible parts of migratory birds that were hunted for food.
53. Announced a review of coal dust limits in mines.
An Obama administration rule was intended to lower miners’ exposure to coal dust in an attempt to reduce the incidence of black lung disease. The Labor Department’s Mine Safety and Health Administration announced in December that it would seek a study of the Obama-era requirements, which the mining industry opposes.

in limbo

54. Reviewing a rule limiting methane emissions at new oil and gas drilling sites
Lobbyists for the oil and gas industries petitioned Mr. Pruitt to reconsider a rule limiting emissions of methane and other pollutants from new and modified oil and gas wells. A federal appeals court has ruled that the E.P.A. must enforce the Obama-era regulation while it rewrites the rule. The E.P.A. said it may do so on a “case by case” basis.
55. Put on hold rules aimed at cutting methane emissions from landfills
Waste industry groups objected to this Obama-era regulation, which required landfills to set up methane gas collection systems and monitor emissions. In May, the E.P.A. suspended enforcement of the new standards for 90 days, pending a review. The delay period has since passed, meaning the rule is in effect util the administration reviews and replaces the rule.
56. Delayed a lawsuit over a rule regulating airborne mercury emissions from power plants
Coal companies, along with Republican officials in several states, sued over this Obama-era rule, which regulates the amount of mercury and other pollutants that fossil fuel power plants can emit. They argued that the rule helped shutter coal plants, many of which were already compliant. Oral arguments in the case have been delayed while the E.P.A. reviews the rule.
57. Delayed a rule aiming to improve safety at facilities that use hazardous chemicals
Chemical, agricultural and power industry groups said that the rule, a response to a 2013 explosion at a fertilizer plant that killed 15 people, did not increase safety. Mr. Pruitt delayed the standards until 2019, pending a review. Eleven states are now suing over the delay.
58. Continuing review of proposed groundwater protections for certain uranium mines
Republicans in Congress came out against a 2015 rule which regulated byproduct materials from a type of uranium mining. They said the E.P.A. had not conducted an adequate cost-benefit analysis of the rule. The Obama administration submitted a revised proposal one day before Mr. Trump was sworn into office. The Trump administration must now decide the fate of the rule.
59. Delayed compliance dates for federal building efficiency standards
Republicans in Congress opposed the rules, which set efficiency standards for the design and construction of new federal buildings. The Trump administration delayed compliance until Sept. 30, but it is unclear whether the rules are now in effect.
60. Withdrew a rule that would help consumers buy more fuel-efficient tires
The rule required tire manufacturers and retailers to provide consumers with information about replacement car tires. The tire industry opposed several aspects of the rule, but had been working with the government to refine it. The Trump administration withdrew the proposed rule in January but has not said whether it may be reinstated.

Some other rules were
reinstated after legal challenges

Environmental groups have sued the Trump administration over many of the proposed rollbacks, and, in some cases, have succeeded in reinstating environmental rules.

1. Delayed by one year a compliance deadline for new ozone pollution standards, but later reversed course
Mr. Pruitt initially delayed the compliance deadline for a 2015 national ozone standard, but reversed course after 15 states and the District of Columbia sued. In November, the E.P.A. certified those areas in compliance of the rule but refused to say which areas violated it, missing an Oct. 1 deadline. In December, public health and environmental groups, 14 states and the District of Columbia sued E.P.A. over the second delay.
2. Delayed publishing efficiency standards for household appliances
After being sued by a number of states and environmental groups for failing to publish efficiency standards for appliances like heaters, air conditioners and refrigerators, the Trump administration reversed course and released some of the standards. Others are still being contested in court.
3. Reinstated rule limiting the discharge of mercury by dental offices into municipal sewers
The E.P.A. reinstated an Obama-era rule that regulated the disposal of dental amalgam, a filling material that contains mercury and other toxic metals. The agency initially put the rule on hold as part of a broad regulatory freeze, but environmental groups sued. The American Dental Association came out in support of the rule.

 

Source: New York Times

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LINK: https://www.nytimes.com/interactive/2017/10/05/climate/trump-environment-rules-reversed.html?smid=fb-nytimes&smtyp=cur&_r=2

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