Ecology

ProPublica's “Killing the Colorado” series examines a 139-year-old water law that pushes ranchers to use as much water as they possibly can, even during a drought

Group of Seven leaders pledged to provide insurance against extreme weather and rising seas for up to 400 million people but remains silent on its plan to raise needed funds

Two new reports paint a bleak portrait of the species that live in Europe’s waters and sky

Global warming could overheat and suffocate some marine animals, according to a new study

Will there be more of this kind of heat wave that left at least 2,000 people dead?

Tomorrow's climate may not be your cup of tea

Conservationists welcome the nation's move but problems for African elephants remain

An experimental leishmaniasis vaccine relies on eliciting an immune response to a protein from the saliva of the sand fly that carries the leishmania parasite, rather than on anything from the parasite itself. Cynthia Graber reports

Scientists say the current drought will cost big in lost crops

Global warming may bring a huge reorganization to the world's ocean life

Call it the "grolar bear" dilemma: Are hybrids caused by climate change bad for species?

Producing beef for the table releases more heat-trapping greenhouse gases than most people realize—far more, pound for pound, than are generated by the production of most other kinds of food