Bill Gates Raises A Glass To (And Of) Water Made From Poop
And he drinks it. It's all thanks to the Janicki Omniprocessor, a new machine that can turn human waste into clean water.
Environment
House OKs Keystone XL Pipeline Despite Obama Veto Threat
The vote came hours after Nebraska's Supreme Court cleared the way for the controversial pipeline. The GOP-controlled Senate is also considering legislation to approve the pipeline.
Environmentalists Push To Keep Canadian Crude In The Ground
Many groups that oppose the Keystone XL pipeline also want, more broadly, to stop pollution-heavy extraction of crude from Canada's oil sands. They point to canceled or delayed projects as success.
A Shadow Economy Lurks In An Electronics Graveyard
Two decades ago, the region of Agbogbloshie in Ghana was a lush mangrove swamp. Now, reporter and photographer Yepoka Yeebo explains, it's a vast dump full of electronic waste and young scavengers.
Entrepreneurs Find Ways To Make Money From Carbon Emissions
President Obama in September set a formidable goal for American industry and agriculture — reduce greenhouse gases by a quarter in 10 years. But several states are ahead of the game.
Why Some Chefs Just Can't Quit Serving Bluefin Tuna
Japanese sushi chefs often can't resist bluefin tuna on offer. Some American chefs can't either, even though conservation groups and marine biologists have been badgering them about bluefin for years.
Obama Will Veto Keystone XL Legislation, White House Says
The House, which has a Republican majority, is expected to vote on the controversial pipeline this week. The GOP-dominated Senate is considering a similar measure, which has bipartisan support.
How Anglers Are Learning To Save Fish That Get 'The Bends'
Millions of deep-water fish die every year because of barotrauma, a condition divers know as "the bends." But scientists say descending devices can help fish survive a trip to the surface.
Tribute: The Man Who Linked Climate Change To Global Health
Dr. Tony McMichael was a lonely crusader. He wanted governments to pay attention to ways that earth's changing climate will affect the health of all — with the poor likely to suffer the most.
Utilities Fight For Revenue Lost To Solar Power
Solar energy had a banner year in 2014, but as more U.S. households make their own electricity, they're paying electric utilities less. Utility companies across the nation are fighting back.