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Arctic Research Vessel Set Adrift to Study Sea Ice Decline

Scientists investigate why sea ice is retreating faster than expected as cover falls to new low.

2015 Hottest Year to Date, Could Top 2014 Record

So far, 2015 has been the warmest year on record, going back more than 100 years.

U.S. Greenhouse Gas Emissions Spiked 2 Percent in 2013

Total U.S. GHG emissions released into the atmosphere because of human activity increased 2 percent in 2013

Defecting from the Power Grid? Unlikely, Analysts Say

Analysts are unsure whether cheap rooftop solar will inspire businesses and homes to "defect" from the power grid.

Scientists Pore Over Warm West, Cold East Divide

Climate scientists are wondering why the U.S. has been locked in a "warm West, cold East" pattern.

El Niño Is Hanging On: What that Means for Hurricanes

An El Niño showing signs of sticking around could ramp up global tropical cyclone activity.

New Studies Reveal Climate Extremes From Fire to Ice

Two new studies show how drastically CO2 has affected Earth's climate in the distant past.

Clean Energy Seeing Global ‘Renaissance’

Cheap oil and increasingly cheap renewables are ushering in an era of abundant energy.

Three Ways The West Can Adapt To Drought

As temperatures rise, droughts will worsen across the American West. Here's how to adapt.

Pacific Winds Tied to Warming Slowdown, Dry West

The warming hiatus and western U.S. drought both have roots in the Pacific according to recent research.

When Climate Science Clashes With Real-World Policy

Climate scientists and planners speak different languages, jeopardizing adaptation efforts.

UK Sees Biggest Drop in Emissions Since 1990

Greenhouse gas emissions fell 8 percent, while renewable energy rose to a record high.

New York’s Smart Grid Research May Shape U.S.

New York State is creating a smart grid research lab to help integrate renewables into the electric power grid.

Calif. Continues to Shatter Temperature Records

Drought-plagued California just saw its warmest year to date, besting last year's record by nearly 2°F.

Thawing Permafrost Will ‘Seep, Not Explode’ CO2

Carbon emissions from thawing permafrost won't be catastrophic, but they won't be negligible either.

More CO2 = More Pollen

If CO2 emissions continue at the current pace, pollen counts are projected to nearly double by 2060.

Power Plant Rules Could Unite States On Climate Action

More than 80 percent of states are mulling collaborations to help them meet power plant climate rules.

U.S. Leads Global Oil and Gas Production for Third Year

For the third year, the U.S. produced more crude oil and natural gas than any other country in the world in 2014.

How Flood Insurance Could Drive Americans From Coasts

Should flood insurance subsidies be reformed to help communities abandon coastal settlements?

Can Climate Scientists Make A Difference by Not Flying?

It won't have a big climate impact, but climate scientists cutting back on air travel could have huge symbolic value.

Gallery

Greenland Total Ice Loss 2004-07 Greenland has been losing large amounts of ice into the sea – enough to collect into rafts the size of states.

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