January 10, 2019, 8am PST
The sobering news comes from the Rhodium Group, a research firm that tracks CO2 emissions. The preliminary estimate is the third in two months to show an increase in 2018, attributing it to an improved economy and Trump's regulation rollbacks.
January 3, 2019, 2pm PST
The Environmental Protection Agency proposed a critical change in the cost-benefit analysis used in the mercury rule that applies to coal-fired power plants. By eliminating the principle of co-benefits, public health impacts would be severe.
December 17, 2018, 7am PST
Conventional thinking is that the auto industry, wanting to sell more fuel-gulping SUVs, are pushing for weaker fuel economy standards, but Hiroko Tabuchi, climate reporter for The New York Times, exposes Big Oil's stealth campaign.
December 14, 2018, 10am PST
Fulfilling a promise he made as a candidate, the Trump administration proposed a redefinition of what is classified as a wetland, with the result being the loss of federal protection of millions of acres of waterways and wetlands.
December 7, 2018, 12pm PST
The report from the Global Carbon Project, an international group of scientists who track greenhouse gas emissions, comes as a surprise as emissions had been relatively flat for the last four years. Global emissions this year will increase 2.7%.
November 15, 2018, 10am PST
The Trump administration's denial of climate change may serve a political purpose, but in the courtroom, it can prove a liability. A federal judge in Montana took into account the administration's "discarding" of climate science in its ruling.
October 26, 2018, 12pm PDT
A 'misconduct investigation' decided that an industry-funded study, used by the EPA as the basis to roll back a regulation limiting the number of old engines that could be used in new truck chassis (i.e., "glider trucks"), was inaccurate.
October 14, 2018, 11am PDT
President Trump announced at a campaign rally in Iowa that he would lift the ban on summertime sales of a 15 percent blend of ethanol, expected to increase smog levels. Both environmentalists and the oil industry oppose the action.
September 13, 2018, 11am PDT
One Obama-era climate regulation still on the books deals with methane leakage from oil and gas wells. The greenhouse gas is 25 times more powerful than carbon dioxide. Another methane regulation targeted deals with flaring on federal lands.
September 9, 2018, 5am PDT
The EPA intends to review the rulemaking process behind the mercury rule, the subject of a landmark Supreme Court ruling in 2015, to place more value on a rule's compliance cost to industry and less to its beneficial impact on human health.
August 27, 2018, 6am PDT
At the center of the EPA's newly proposed Affordable Clean Energy rule is doing away with a permitting process known as New Source Review that requires coal power plants to add scrubbers and other expensive pollution control equipment when upgraded.
August 22, 2018, 5am PDT
On Tuesday, EPA released its new rule to regulate emissions from existing power plants, essentially leaving it to the states to determine appropriate emissions levels rather than setting actual standards each state has to meet like the current rule.
August 7, 2018, 2pm PDT
State attorneys general and green groups are gearing up to fight the emissions rule rollback. Mayors would have a greater climate impact by helping their constituents drive less, argues Alissa Walker.
August 5, 2018, 5am PDT
On Thursday, the U.S. DOT and U.S. EPA announced one of the Trump administration's most consequential rollbacks of environmental and efficiency regulations that will have a detrimental effect on climate change, air pollution, and oil consumption.
July 31, 2018, 8am PDT
It's the U.S. EPA, under the new acting administrator, against two top officers in the Department of Transportation. Both agencies (along with California) determine fuel efficiency standards. Guess which wants to proceed cautiously in the rollback?
July 30, 2018, 11am PDT
The U.S. Environmental Protection Agency, acting at the behest of the new acting EPA administrator, will keep Obama-era regulation limiting air pollution from heavy trucks in place.
July 9, 2018, 5am PDT
Friday may have been disgraced EPA Administrator Scott Pruitt's last day in office of the agency in charge of protecting the nation's environment, but he still managed to roll back a regulation to create lasting air pollution far greater than VW did.
July 6, 2018, 8am PDT
Climate change denier Scott Pruitt, head of the U.S. Environmental Protection Agency, submitted his resignation on Thursday, to take effect July 6. On Monday, EPA Deputy Administrator Andrew R. Wheeler becomes the acting administrator.
June 20, 2018, 10am PDT
The brother of former Toronto Mayor Rob Ford decisively won the election on June 7 to be the next premier of Ontario, ousting current Premier Kathleen Wynne. His first order of business: end the province's emissions trading program.
June 11, 2018, 9am PDT
Normally having the California Air Resources Board and the auto industry in agreement on emissions standards would be enough, but the Trump administration wants to ensure that California plays no role in setting standards.