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It’s Official: 2012 is Hottest U.S. Year on Record

A snapshot of how 2012 stacks up against the five other warmest years ever recorded in the U.S.

Tell Me Why: We Need ‘Normals’ and Long-term Trends

Climate scientist Anthony Arguez explains the importance of “normals” in this version of Tell Me Why.

Why Bark Beetles are Chewing Through U.S. Forests

A look at how climate change is helping fuel bark beetles' assault on forests of America’s mountain west.

Tell Me Why: We Need ‘Normals’ and Long-term Trends

Climate scientist Anthony Arguez explains the importance of “normals” in this version of Tell Me Why.

Global Warming-El Nino Link Stronger but Still Not Proven

According to a new report, both phases of ENSO have become more intense over the past century.

Climate Central Leads 2012’s Climate Coverage

Year-end numbers for media coverage of climate change show Climate Central led the pack.

Climate Coverage Falls Further in 2012

In a year of strange weather worldwide, climate change reporting by the world's journalists fell another 2 percent.

Sandy Tops List of 2012 Extreme Weather & Climate Events

2012 featured extreme weather & climate events, many of which highlighted the growing impacts of global warming.

Extreme Weather 101: Climate Change and Precipitation

When it rains, it pours. That’s how we may want to think about the effects of climate change on precipitation.

Fracking Lobbyists Prep Case Against Matt Damon Movie

'Promise Land' has caused unease in the oil and gas industry, even in the midst of America's energy boom.

Working Wonders Without Water Out West

Farmers out West mull switch from water-intense, profitable crops to thriftier, rain-fed sorghum & grains.

Top 5 Weather & Climate Challenges Facing White House

As President Obama nears his second term, the country faces a host of climate and weather-related challenges.

Doha Climate Talks: What to Expect

As the latest U.N. climate change talks begin, expectations of stalemate and failure hang in the air.

Doha Talks: EU Weakened Over New Emissions Targets

Having already met its emissions targets, the EU enters the Doha climate talks in a weakened bargaining position.

Doha Conference Negotiator: Carbon Cuts Talks Must Wait

Brazil's Figueiredo says a Kyoto protocol extension must take priority at the Doha climate negotiations.

Cutting Short-lived Pollutant Can Halve Near-term Warming

Cutting methane, soot and air pollution can appreciably slow the rate of warming over the next several decades.

World Bank Ties Ending Poverty with Climate Change

A World Bank report urges action on climate change as it examines the impacts of a 7.2°F rise in global temperature.

Climate Change Leads to Tougher Times on the Ranch

Ranchers & farmers wrestle with impacts from this year's drought and brace for a less predictable future.

Post Sandy, Wetlands Could Help Shore Up NYC’s Defense

New York City's shoreline could help be protected by wetlands, but only if there are enough of them.

U.S. Military Warned to Prepare for Climate Change

The Pentagon was warned to stand guard against "climate surprises" that could throw off its efforts to secure America's future.

Gallery

Winter Temperature Trends Since 1970, winters in the continental U.S. have warmed by 0.61°F per decade on average.