Drought is taking its toll on the water system that quenches the thirst of Brazil’s largest city, Sao Paolo.
Discovery of a semi-lifeless glacier in southeastern Iceland creates a new zombie class of frozen rivers of water.
Expansion of Antarctic sea ice heralds ocean changes that could trap heat and accelerate ice sheet melting.
Rising CO2 levels could spell disaster for certain fish species according to recent research.
Floods during high tide have become common in many coastal cities, and they're about to become downright routine.
As oceans grow warmer and more acidic, scientists are developing new strategies to rescue coral reefs.
Global warming may increase the overall amount of freshwater flowing in rivers worldwide by about 15 percent.
A lobe of the ailing Aral Sea, once the fourth largest lake in the world, has dried up for the first time.
Scientists say the loss of vapor clouds by rainforest trees is the result of deforestation & climate change.
Pacific Remote Islands Marine National Monument to be expanded to six times its current size.
Natural variations might be behind much of the warming in and around the Pacific Northwest.
A growing population has serious implications for food security, political stability − and climate change.
New data supports the idea that methane emissions from hydroelectric dams outweigh the benefits.
Nearly half of the carbon that's eroding from melting Arctic permafrost is ending up in the atmosphere.
California is planning the nation's most elaborate database of local and statewide sea level rise adaptation efforts.
Landscape changes in the warming Sierra Nevada may have major impacts on California’s economy.
In a world with ever more competition for food, pests may pose the biggest threat.
California’s drought stresses the need to improve how the state & the rest of us divvy up a resource in demand.
Improved climate models suggests melting in Antarctica will be worse this century than we had realized.
Excess heat is being stored deep in the Atlantic and Southern oceans – not Pacific as previously thought.