The urban oasis boasts about 170,000 different types of microbes, recent dirt samples show. That diversity is comparable to a tropical rain forest. About 2,000 species are found only in the park.
Scientists wince when people blame every big tropical cyclone, heat wave or drought on a shifting climate. But now some are trying to figure out just what the evidence for such a link would be.
Nearly 50 people are listed as dead from an eruption of Mount Ontake, located about 125 miles west of Tokyo.
Gov. Jerry Brown has signed SB 270, the first statewide ban on single-use plastic bags in the U.S. It requires a 10-cent fee for the use of compostable or paper bags.
"For the first time in modern history, the eastern basin of the South Aral Sea has completely dried," NASA says, citing satellite photos from 2000 and 2014.
Large-scale hog operations get a bad environmental rap. But when it comes to processing the animals, the industry is a model of efficiency, making use of every last bit in sometimes surprising ways.
Investigators from the U.S. Department of Agriculture say they cannot figure out how genetically modified wheat got into an Oregon field. Now GM wheat has been found growing in Montana, too.
Federal funds are supporting two different disaster-prevention approaches — coastal retreat, or people leaving flood zones, and coastal defense, or building infrastructure to protect at-risk areas.
Melissa Block talks to Monique Coleman of Woodbridge, N.J., about why her family is leaving their home. After three huge floods in three consecutive years, they've taken a buyout from the state.
In one coastal community, some residents are trying to get manatees off the endangered species list. But manatee advocates say the sea cows, threatened by ecotourism, need more protection, not less.
Emergency action was recommended Wednesday to protect the stock of Gulf of Maine cod whose population has suffered and must recover from chronic overfishing.