Environment

Leonardo DiCaprio named U.N. messenger of peace for climate

Hollywood actor and environmental activist Leonardo DiCaprio has been named a United Nations Mess

Powerful hurricane Odile buffets Mexico's Baja, thousands evacuated

Hurricane Odile uprooted trees and shook buildings as it bore down on Mexico's tourist haven of B

Ocean algae can evolve fast to tackle climate change: study

Tiny marine algae can evolve fast enough to cope with climate change in a sign that some ocean li

U.S. skygazers could get rare glimpse of northern lights

Stargazers across a wide swath of the United States could get a rare view on Friday of the northe

A week on from flood, 150,000 still stranded in Indian Kashmir

About 150,000 people were still stranded in their homes a week after Indian Kashmir's worst flood

'Dolphin Tale' hero's new home tangled in aquarium politics

The family-friendly hit "Dolphin Tale," whose sequel opened in theaters this weekend, tells the t

Typhoon Kalmaegi slams northern Philippines, cuts power lines

A strong typhoon slammed into the rice-producing Philippine northern region on Sunday, cutting po

Pesticides a concern for aquatic life in most U.S. urban streams : study

The proportion of urban streams in the United States with potentially worrisome levels of pestici

Wildlife activists say new U.S. lynx protections fall short

The federal government will extend protections to all imperiled Canada lynx in the lower 48 U.S.

Warmer air caused ice shelf collapse off Antarctica

Warmer air triggered the collapse of a huge ice shelf off Antarctica in 2002, according to a repo