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Clues Show How Green Electricity May Be in 2050

How people get their electricity and where it comes from is on the brink of major change in the U.S.

2014 Set for Record Hot; Record Cold Thing of the Past

2014 is even more likely to become the warmest year on record, with record cold years a thing of the past.

World Needs to Mind the Carbon Emissions Gap

The global effort to address carbon emissions is a start but it's not enough to avoid dangerous warming.

40 Years of Scratching Reveals Ocean Acidification Data

Scientists now have a benchmark for ocean acidification to measure future changes against.

Here’s How the U.S. Can Adapt to Climate Change

A federal task force was formed last year to provide adaptation ideas. On Monday, it delivered 100.

News of Obama Climate Pledge Caps Epic Week

Following news of his climate pact with China, Obama will announce billions of dollars in climate aid.

Thunderstruck: Lightning Will Increase With Warming

Lightning strikes could flash through the sky more often as the planet warms, at least over the U.S.

Post Climate Pact, IEA Warns Fossil Fuel Trends Dire

Despite gains in renewables, the world is still on dangerous energy-related emissions path, IEA warns.

Listen To a Glacier, Forecast a Flood

Scientists discovered that glaciers hum tunes, tunes that could help predict when glacial lakes will overflow.

‘Nobody Is Truly Ready’ For Rise of Seas

Americans are starting to prepare for the staggering amounts of future sea level rise forecast. But only barely.

Waiting for El Niño. Still. Again.

El Nino: After 8 months, it's still not here, and there's a better chance that it may not form at all.

An Inside Look at How Monster Tornadoes Can Form

Researchers get up close and personal with how huge tornadoes can form and grow.

2014 Will Go Down As Hottest In California’s History

There is a better than 99 percent chance that 2014 will be the warmest year on record in California.

Cutting Methane, Soot Not Enough to Tackle Warming

Cutting methane, soot and short-term pollutants will not keep global warming in check, study says.

UN Climate Report Rings Alarm, Offers Guidance

IPCC analysis of climate change has painted an ugly picture, but it also offers hope and guidance.

Great Barrier Reef Plan Doesn’t Address CO2 Emissions

Scientists warn the plan to protect the reef is likely to prove ineffectual unless CO2 emissions are cut.

Ozone Hole Recovery Continues, Albeit a Little Slower

The ozone hole continues to be on the mend, but it's still a long road to full recovery.

An Ill Wind Blows in Antarctica, Threatens Global Flooding

The Southern Ocean's notoriously strong gales are growing stronger, and that's foreboding news for coastlines everywhere.

Two Years On: Sandy Inspires Storm of Climate Research

Sandy will "be one of the most studied storms" to hit the U.S. Here's what researchers are already learning.

Australia Blasted by Record Heat — Again

As the mercury keeps rising in Australia, weather records keep falling. Climate change is playing a role.

Gallery

Amazon Deforestation Recent deforestation in Brazil has been rapid, causing greenhouse gas emissions.

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