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Climate Fueled Some of 2013’s Most Extreme Events

Climate Fueled Some of 2013’s Most Extreme Events

Heat waves can clearly be linked to climate change, a new report finds, while rain events are murkier.… Read More

Science Shows How Climate Change is Baking Australia

Science Shows How Climate Change is Baking Australia

As smoke billows from unnervingly early-season wildfires charring the Australian state of Tasmania, yet more dust is settling on the scientific discussion over how climate change contributed to last year’s deadly Australian heat. Last year was Australia’s hottest on record. And each of a set of five research papers published Monday in a special ed… Read More

Drought Takes Hold as Amazon’s ‘Flying Rivers’ Dry Up

Drought Takes Hold as Amazon’s ‘Flying Rivers’ Dry Up

The unprecedented drought now affecting São Paulo, South America’s giant metropolis, is believed to be caused by the absence of the “flying rivers” − the vapor clouds from the Amazon that normally bring rain to the center and south of Brazil. Some Brazilian scientists say the absence of rain that has dried up rivers and reservoirs in central and so… Read More

Picture This: Summer Snow and Gnarly Lightning

Picture This: Summer Snow and Gnarly Lightning

It was a weird week for weather, that's for sure. Snows fell from Calgary to Rapid City -- in the middle of September. That's early even for Canada! Meanwhile monsoon rains, helped along my moisture from the remnants of tropical storms, soaked parts of the Southwest, not used to such deluges. We've got photos of those two events, as well as look ba… Read More

Drought Divide: Tropical Rains to Help Plains, Not SoCal

Drought Divide: Tropical Rains to Help Plains, Not SoCal

The remnants of two tropical systems — one from the Gulf of Mexico, the other just west of Baja California — are expected to serve as wells of moisture fueling rains this weekend over portions of the country’s two main drought hotspots, namely parts of the Southern Plains and Southern California. But while those rains could make dents in the Plains… Read More

Mountain Forest Changes Threaten Calif. Water Supplies

Mountain Forest Changes Threaten Calif. Water Supplies

Hike high enough up California’s Sierra Nevada and the forest morphs around you. At around 6,000 feet, the dazzling diversity of the lower montane forest, replete with California black oak, ponderosa pine, and incense cedars gives way to more monotonous landscapes of red fir and lodgepole pine. Hike further still and trees eventually disappear alto… Read More

Battle Wages for California’s Groundwater Rights

Battle Wages for California’s Groundwater Rights

Grapevines march across wires strung along rolling hills, their little trunks improbably supporting heavy black fruit. Cindy Steinbeck’s family has been farming this land since 1920. They grow Zinfandel, Viognier, Cabernet, Merlot, and Petite Syrah grapes but are best known in this area of Central California for a blend called The Crash, named afte… Read More

Climate Change Ups Odds of a Southwest Megadrought

Climate Change Ups Odds of a Southwest Megadrought

If you think the drought in California is bad, you ain’t seen nothing yet. New research indicates that climate change is giving a boost to the odds of long-term drought across the Southwest. The research, published Thursday in the Journal of Climate, puts the chances of a megadrought lasting 35 years or longer at up to 50 percent in the region. It… Read More