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Katrina: Lasting Climate Lessons for a Sinking City

Ten years after Katrina, New Orleans is dealing with sinking land as sea levels rise.

10-Year Anniversary of Hurricane Katrina

Ten years ago, Hurricane Katrina became one of the worst natural disasters in U.S. history.

Islamic Experts Urge Muslim Action on Climate Change

Muslim experts from 20 nations agreed on a climate change declaration.

The Climate Change ‘Bully’ in California’s Drought

A new study pegs climate change as a bully that's come for California's water.

Study: China May Have Overestimated Carbon Emissions

Scientists may have overestimated China's carbon dioxide emissions since 2000.

EPA Moves to Cut Oil and Gas Methane Emissions

The EPA has proposed new rules limiting methane emissions from new fracked oil wells.

New Antarctic Research Ups Sea Level Rise Estimates

New West Antarctica research shows that IPCC sea level rise estimates will have to be revised upward.

Report: Extreme Weather Puts Food, Civil Order at Risk

A U.S.-British task force warns that global food shortages will become more likely as a result of climate change.

Rich Nations’ Climate Plans Fall Short of Hopes for Paris

A Reuters review suggests that developed nation's proposed greenhouse gas cuts fall short.

Scientists Foresee Losses as Cities Fight Beach Erosion

Rising seas, stronger storms and coastal development are taking their toll on sandy shorelines.

Dangerous Heat & Summer Sports

Managing heat during exercise will become more vital as climate change ups the number of danger days.

Speed of Glacier Retreat ‘Historically Unprecedented’

Researchers have recorded worldwide rapid rises in meltwater and alarming rates of glacial retreat.

There Is No Carbon Dioxide ‘Technofix,’ Scientists Warn

Researchers warn even if a solution to emissions could be found, it wouldn’t be enough to save the oceans.

Heat Stress Index

Extreme heat events, which are a threat to human health, are likely to worsen as climate change progresses.

Obama Just Created a Carbon Cap-and-Trade Program

The U.S. Environmental Protection Agency's new limits on carbon dioxide emphasize interstate cooperation.

What Changes to Expect from Obama’s Clean Power Plan

The U.S. EPA will soon unveil a sweeping regulation to cut carbon emissions from the electricity sector.

What Has Changed Since Climate Talks in Copenhagen?

Is the world better suited for a climate agreement than it was in 2009?

Study: Warming May Bring Heightened Salmonella Risk

Researchers say extreme weather and temperature events may lead to an uptick in salmonella poisoning.

Missing: One Year’s Worth of California Rain

California's rain deficit during its record-setting drought is about one year's worth of normal rain.

Drought May Stunt Forests’ Ability to Capture Carbon

A new study shows that droughts are harming forests' ability to store carbon and mitigate climate change.

Gallery

Spring is Coming Earlier A state-by-state look at how spring is coming earlier, on average, in a warming world.

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