The drought-stricken town is taking a page from NASA, which developed a urine recycling program for astronauts.
The drought-stricken town is taking a page from NASA, which developed a urine recycling program for astronauts.
Pork, farm-raised salmon, chicken and turkey are all on a par when it comes to greenhouse gas emissions, but pigs are in a category of their own when it comes to environmental impact.
Cities can be of surprising help in soaking up carbon pollution.
Billions of tons of "end-of-life" plastics could be diverted from landfills and turned into gas for vehicles.
Before you buy something that's biodegradable, take a look at how your community deals with trash.
Sharply reducing emissions of soot and smog could play a critical role in preventing Earth from overheating.
Chemicals end up in slime at the bottom of streams and lakes that fish feed on.
By piling mounds of fish remains, turtle bones and other waste, ancient people helped create the Everglades.
Don't just throw that banana peel away. It could be a cheap new way to detect heavy metal contamination in drinking water.