"The former president assailed Vice President Kamala Harris for her views on fracking and power plant emissions as he vowed to cut energy costs in half in his first year in office."

"The virus is poised to become a permanent presence in cattle, raising the odds of an eventual outbreak among people."

"The Democratic caucus is divided over whether to support legislation that seeks to speed up the nation’s energy build-out — largely based on disagreements about what its actual climate impacts would be."

Alexandria, Va., is almost finished digging a 2.2-mile tunnel to fix its combined sewer overflow problem..

"Nearby residents have been sounding the alarm about Coffin Butte Landfill for years. Now Sen. Jeff Merkley and other members of Congress are demanding action."

"Recycled plastic can be more toxic than virgin plastic, yet the federal approval process to use it in food packaging is lax and leaving consumers at risk, researchers say."

"New analyses reveal that 4.4 billion people across low- and middle-income countries — over half of the world’s population — don’t have safe household drinking water."

"Summer now has a darker side – or rather a too-brightly burning and dangerously hot side. And that side is making summer the most dangerous season of the year. This month’s bookshelf focuses on two summer dangers: heat waves and wildfires."

"California Gov. Gavin Newsom (D) on Monday vetoed a bill aimed at tightening air pollution monitoring provisions for so-called fence-line zones that mark the perimeter of oil refineries."