Just a year after weather patterns were altered worldwide, scientists see signs that more disruption may be brewing.
Critics charge the agency’s administrator should have challenged a legal finding that underpinned the Obama climate policies, but he refuses to budge.
A study suggests that as the planet warms toward 2 degrees Celsius above preindustrial levels, each degree Celsius of warming will lead to the thawing of 1.5 million square miles of permafrost.
Even if Congress votes to keep NASA environmental missions, the nation’s climate monitoring faces challenges, researchers say.
President Trump’s proposed cuts in environmental programs go far beyond climate change. They would also affect clean water, law enforcement and pollution cleanup.
E.P.A. scientists had concluded that exposure to the chemical, chlorpyrifos, which has been in use since 1965, was potentially causing significant health consequences.
Flanked by coal miners at the Environmental Protection Agency, President Trump signed an order directing the agency to start the process of rewriting the Clean Power Plan.
Energy economists say the executive order is likely to fall far short on the president’s goals of increasing the nation’s “energy independence” and restoring lost coal mining jobs.
Much of the ice also appears to be thinner than normal — further signs of climate change’s effects on the region.
Much of the agency’s state-level work would be eliminated or sharply reduced by President Trump’s proposed budget, which cuts the E.P.A. more than any other agency.