It's an ozone mystery, as well as a threat to one of the planet's great environmental success stories.

This false-color image shows ozone concentrations above Antarctica on Oct. 2, 2015. (Credits: NASA/Goddard Space Flight Center)

White House officials last year weighed whether to simply “ignore” the climate findings emerging from federal agencies under President Trump or instead develop “a coherent, fact-based message about climate science,” according to a memo obtained by The Washington Post.

Rice contains lower levels of key vitamins when grown amid high concentrations of carbon dioxide, according to a new study.

A study shows that middle-latitude belts are drying, and the tropics and higher latitudes are gaining water supplies.

CFC-11 is part of a group of ozone pollutants that were banned under a 1987 accord, but emissions have risen 25 percent since 2012, scientists reported Wednesday. Scientists say the most likely explanation is that a manufacturer is producing the chemical without reporting it to authorities. It’s a distressing development for what’s commonly seen as […]

  • Washington Post Staff
  • ·
  • May 16
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The EPA administrator's spending and ethics decisions again take center stage at a Capitol Hill hearing.

The agency's inspector general says it played “no role” in decisions about the administrator's security needs.

Why Apple just joined a big push to change how we make aluminum, and slow climate change in the process.

Some states oppose the Trump administration's plan to freeze auto-efficiency standards beginning in the year 2021; automakers want one standard.

The decision left lawmakers, environmental groups and the families of victims cautiously optimistic.

The phrase 'climate change' appeared in a draft Pentagon report 23 times. The final version used it once.

Pruitt mainly relied on conservative advocates rather than career staffers who traditionally identify scientific research priorities for the agency.

"We believe that the continued use of coach seats for the Administrator would endanger his life,” the head of Pruitt's security detail wrote on May 1, 2017.

An EPA spokesman would not say what the dinner cost, when Pruitt reimbursed Leonard Leo for it.

Some doubt it's coming back.

Limitations on oil, gas and mineral exploration under an Obama-era agreement would be removed by a Trump administration amendment.

State lawmakers passed a bill to ban the sale and distribution of sunscreens that contain two chemicals deemed damaging to the coral reefs.

Carbon dioxide concentrations have now passed 410 parts per million, sustained over a month.

Her departure follows the exit of two other top Pruitt aides this week.

The emails, obtained through the Freedom of Information Act, show that the genesis of the trip wasn't necessarily about work at the Environmental Protection Agency.

Scientists just found another reason climate change is really unfair.

EPA Administrator Scott Pruitt in April said he would revisit Obama-era rules.

"For global sea level change in the next century, this Thwaites glacier is almost the entire story.”

"We have received multiple requests from multiple members of Congress, as well as other OIG Hotline complaints, regarding these same and related issues,” the agency's inspector general wrote lawmakers.

The plan would hobble one of the Obama administration's most significant initiatives to curb climate change.

If finalized, the transfers would represent a second round of abrupt moves within the Interior Department.

During two hearings on Capitol Hill, the Environmental Protection Agency administrator says critics are trying “to derail the president's agenda."

Proposed new rule would prevent the EPA from using the most influential air pollution study in U.S. history.

Climate change could make thousands of tropical islands 'uninhabitable' in coming decades, new research says.

The change would allow the Environmental Protection Agency to consider only studies for which the underlying data are available publicly.

The increasingly critical comments from Republicans came as the EPA chief readied for back-to-back appearances before two House committees on Thursday, in what promises to be a grilling from members of both parties.

Scientists aren't sure that's true.

The ethanol industry is environmentally controversial, but now it may have a big opportunity to cut its emissions.

Fresh water from melting glaciers could upend the circulation of the oceans, leading to a world of fast-rising seas.

The meeting and a new disclosure form suggest the lobbyist's business ties to EPA were more extensive than he previously has described.

The Trump administration wants to sell leases to oil and gas companies as soon as next year.

The EPA chief is now facing ethics inquiries on Capitol Hill, within his own agency and by the White House, itself.

Americans waste about a quarter of the food they buy, and the environmental consequences are enormous.

EPA Administrator Scott Pruitt upgraded his official car last year to a costlier, larger vehicle with bullet-resistant covers over bucket seats, according to federal records and interviews with current and former agency officials.

"Unprecedented.” “Radical.” “Catastrophic.” The damage to the Great Barrier Reef is even worse than experts thought.

The NAACP wants the EPA administrator to resign or be fired.

Sen. John Barrasso (R-Wyo.) is now scrutinizing whether the EPA administrator is fully complying with public records requests.

A GAO investigation found the installation violated a law that prohibits an agency from paying more than $5,000 to redecorate or furnish a presidential appointee’s office without approval.

Zinke's trips aboard military jets checked out. But a $12,375 flight from Las Vegas to Montana, billed to taxpayers, drew significant scrutiny.

Rep. Trey Gowdy requested travel receipts, memos and interviews with five aides to EPA head Scott Pruitt

A 100-year-old law to protect birds can no longer be used to hold companies accountable for most bird deaths.

The strong move by the shipping industry, to cut emissions in half by 2050, brought another key sector into efforts against climate change.

But while the president was announcing a plan to sustain farmers, his EPA was defending one that had farm groups fuming.

Americans widely condemned the first proposal to raise entry fees to $70 at some parks. The new $5 increase proposal tracks closer to inflation.

Kevin Chmielewski, a former Trump campaign aide, said Pruitt routinely pushed for unjustified expenditures on his travel, lodging and changes to his office.

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