In March 2010, the Department of Energy made official what President Obama had promised throughout his presidential campaign: The administration would move to abandon the Yucca Mountain nuclear waste repository in Nevada after nearly three decades of federal efforts to make the facility the disposal site of the nation's commercial waste.
Aubrey McClendon's death in 2016 may have marked the end of the shale-drilling boom's first phase, with its fast cash and dizzying pace of development.
On Dec. 12, 2015, negotiators from 195 countries gathered in an abandoned airfield outside Paris to set in motion a plan to avert catastrophic climate change.
On July 18, 2013, the Senate confirmed Gina McCarthy to be EPA's 13th administrator. It wasn't easy.
The cursor slid across the Ukrainian grid operator's screen and clicked circuit breakers open, knocking out the lights to thousands of people outside Kyiv.
When President Obama lifted a pen on a brisk Friday in December 2015 to sign an omnibus spending bill into law, the significance of a few scattered provisions buried deep in the nearly 900-page measure may have been overlooked at the time.
A Swedish teenager named Greta Thunberg began skipping school in August 2018 to protest inaction on climate change.
ABOUT THIS SERIES
E&E series on the decade's pivotal moments in environment and energy.
On New Year's Eve 2012, then-Speaker John Boehner (R-Ohio) stunned many lawmakers on Capitol Hill when he scrapped a vote on a $60 billion disaster relief package for the northeastern United States after Superstorm Sandy slammed the region in October.
First, President Obama was for tighter smog standards. Then, he wasn't.
On March 11, 2011, the Great East Japan Earthquake sent a 45-foot wall of water crashing into the country's Pacific coast, killing close to 19,000 people and triggering the second worst nuclear disaster in history.
On Nov. 6, 2015, five weeks before he would fly to Paris to put the finishing touches on the global accord to address climate change, President Obama rejected the Keystone XL pipeline.
One of the Department of Energy's key goals under the Obama administration was the SunShot Initiative, which sought to spur the adoption of solar by making it as cheap as other forms of electricity by 2020. Did it work?
At first glance, it was just one data point among thousands of others in the U.S. Energy Information Administration's Annual Energy Outlook released in June 2012.
Patriot Coal Corp. raised the white flag — the first time — on July 9, 2012.
When a Republican-led Congress passed the tax overhaul just before Christmas in 2017, lawmakers refashioned the federal government's approach to oil and gas development in the Arctic National Wildlife Refuge (ANWR).
On Jan. 10, 2010, the Supreme Court issued a ruling that undid swaths of U.S. campaign finance law and upended American politics.
It was a moment made for Twitter: Rep.-elect Alexandria Ocasio-Cortez (D-N.Y.) stood in Speaker Nancy Pelosi's office encircled by cameras, egging on young protesters who had gathered to call for a new economy remade around climate concerns.
In April 2014, officials looking to save money in Flint, Mich., switched to a new drinking water supply source without updating its treatment.
The event: The strongest climate legislation ever passed by the House, the Waxman-Markey bill, quietly died in the Senate in July 2010.