"Exxon Mobil can’t locate a year’s worth of emails from an alias account used by former CEO Rex Tillerson, now the secretary of state."

"The cost to implement tough fuel-efficiency standards for cars imposed by the Obama administration for the first half of the next decade could be up to 40 percent lower than previously estimated using existing conventional technologies, according to a report from a nonprofit group released on Wednesday."

"The U.S. State Department has signed and issued a presidential permit to construct the Keystone XL pipeline. That reverses former President Barack Obama's 2015 decision to reject the controversial pipeline."

"California's air quality board voted unanimously on Thursday to approve methane regulations touted as the strictest adopted yet in the United States for controlling emissions of the second-most prevalent greenhouse gas in the atmosphere."

"A watchdog is alleging numerous problems at the federal government’s offshore drilling regulator, including in its inspection and environmental stewardship programs."

"Dozens of companies and organizations are pleading with Congress to save the popular Energy Star program for appliances and other products, rejecting President Trump’s proposal to eliminate it."

"The amount of new coal power being built around the world fell by nearly two-thirds last year, prompting campaigners to claim the polluting fossil fuel was in freefall."

"Imagine a future when solar cells can be sprayed or printed onto the windows of skyscrapers or atop sports utility vehicles -- and at prices potentially far cheaper than today’s silicon-based panels."

"Among dozens of federal programs proposed for elimination in the Trump administration’s newly revealed budget proposal is the federal Weatherization Assistance Program, or WAP, a grant program housed under the Department of Energy that helps states improve the energy efficiency of the homes of low-income families. It’s one of several climate and energy-related initiatives that, if erased, could actually hurt consumers in ways that seem inconsistent with the economy-boosting action the administration claims to seek."