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El Niño Brings Floods, Risks — and Opportunities

El Niño ups the odds of flooding in some spots, but that information could provide opportunities.

Hot News: 2014 On Track to Become Warmest Year

The "odds are good" that 2014 will be the warmest year in the books, fueled by record ocean warmth.

6 Degrees: Security Risks, Tornadoes and Earthquakes

A new climate report from the Pentagon, tornado trends, earthquakes and more in this week's top climate news.

Picture This: Seasonal Rainbows & A Monster Hurricane

Hurricane Gonzalo was an imposing site in images, while the sun cast a shadow across a cold front.

Jack Frost Not Exactly Nipping at Your Nose

The frost-free season is growing longer across the U.S. overall. Check the trend in your city.

Tornado Days Decreasing, but Number Per Day Rising

Tornadoes are seeming to cluster together so that there are fewer days with tornadoes, but more tornadoes on the days that do have them.…

Winter Unlikely to See Repeat of Frigid Polar Vortex

The bouts of polar vortex incursions that happened last winter are unlikely this year, NOAA says.

What’s Behind Recent Flurry of Hurricane Activity?

A flurry of hurricane activity in the Atlantic basin is linked to a phenomenon called the MJO.

Calif. Heads for Warmest Year As Drought Hangs On

Despite a wet September out West, drought is still a major concern as heat continues to bake the region.

Pentagon: Climate Change Poses ‘Immediate Risks’

The Pentagon's new climate plan shows how the agency plans to address the impacts of global warming.

Expanding Antarctic Sea Ice is Flooding ‘Warning Bell’

Expansion of Antarctic sea ice heralds ocean changes that could trap heat and accelerate ice sheet melting.

Warming Endangers a Crucial Yellowstone Tree

Climate change is a major driver in the precipitous decline of a key Yellowstone tree species.

Fish Fail to Adapt to Rising CO2 Levels: Study

Rising CO2 levels could spell disaster for certain fish species according to recent research.

Picture This: Monster Typhoon and Miami’s King Tides

A Blood Moon, King Tides and a monstrous looking typhoon in the Pacific made for amazing images.

The $9.7 Trillion Problem: Cyclones and Climate Change

Cyclones have been quietly costing the world for decades, costs that could grow due to climate change.

Where Is El Nino? And Why Do We Care?

El Niño still hasn't emerged, but forecasters give it a two-thirds chance of forming by the end of the year.

2014 Extreme Weather: Looking for Climate Ties

Some of the extreme weather events from 2014 in which climate change could have played a role.

Sea Level Rise Making Floods Routine for Coastal Cities

Floods during high tide have become common in many coastal cities, and they're about to become downright routine.

Drought Dries Up California Hydropower

Normally, 20 percent of California’s power comes from hydroelectric sources. But not anymore.

World’s First Carbon Capture Power Plant Switches On

Canada's commercial CCS plant held up and proved that coal-burning is compatible with cutting emissions.

Gallery

Spring is Arriving Earlier in the U.S. Spring is arriving earlier across the U.S. by an average of three days