Ecology

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?

A global plan, ambitious but doable, could double food production by mid-century and simultaneously rein in the emissions, deforestation and pollution caused by agriculture

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

Pests, fungal infections and a changing climate threaten cacao crops and the chocolate they produce. But researchers have strategies to rescue this favorite sweet

What's the best way to control ecological pests? Feed them to the world's greatest predator—us

Parrotfish munching on algae ingest coral and then eliminate the rocky substrate, creating island-building grade sediment in places like the Maldives. Julia Rosen reports

A heritage committee of the UNESCO cultural agency raised long-term concerns about the reef's future