One year ago, Joe Biden marked his first Earth Day as president by convening world leaders for a virtual summit on global warming that even Russian President Vladimir Putin and China’s Xi Jinping attended. Biden used the moment to nearly double the United States’ goal for reducing greenhouse gas emissions, vaulting the country to the front lines in the fight against climate change.

The agency will conduct unannounced inspections of chemical plants, refineries and other industrial sites suspected of polluting air and water and causing health problems to nearby residents, Regan said. And it will install air monitoring equipment in Louisiana's “chemical corridor” to enhance enforcement at chemical and plastics plants between New Orleans and Baton Rouge.

The Biden administration is raising vehicle mileage standards to significantly reduce emissions of planet-warming greenhouse gases, reversing a Trump-era rollback that loosened fuel efficiency standards.

President Joe Biden on Wednesday, December 8, 2021, signed an executive order to make the federal government carbon-neutral by 2050, aiming for a 65% reduction in planet-warming greenhouse gas emissions by 2030 and an all-electric fleet of car and trucks five years later.

The chairwoman of the House Oversight Committee issued subpoenas on Tuesday, November 2, 2021, to top executives of ExxonMobil, Chevron and other oil giants, charging that the companies have not turned over documents needed by the committee to investigate allegations that the oil industry concealed evidence about the dangers of global warming.

The Biden administration is launching a wide-ranging plan to reduce methane emissions, targeting a potent greenhouse gas that contributes significantly to global warming and packs a stronger short-term punch than even carbon dioxide.

During a hearing Thursday, Democrats compared Big Oil's tactics to those long deployed by the tobacco industry to resist regulation “while selling products that kill hundreds of thousands of Americans."

The Biden administration said on Oct. 18 it is launching a broad strategy to regulate toxic industrial compounds associated with serious health conditions that are used in products ranging from cookware to carpets and firefighting foams.

Seven major offshore wind farms would be developed on the East and West coasts and in the Gulf of Mexico under a plan announced on Wednesday, October 13, 2021, by the Biden administration.

In what officials call a key step to combat climate change, the Environmental Protection Agency is sharply limiting domestic production and use of hydrofluorocarbons, highly potent greenhouse gases commonly used in refrigerators and air conditioners.