Blogs Causes

Permafrost Timebomb

  • Published: Feb 18th, 2011

As the Arctic melts, the ground may release half again as much carbon dioxide as humans have created through fossil-fuel burning in the past few hundred years.

The Year the Arctic Shifted South

  • Published: Feb 7th, 2011

This winter has featured unusually cold and snowy conditions in the Lower-48 states, with much milder than average conditions in the Arctic.

A Million New Vehicles, but Unknown Emissions Savings

  • Published: Feb 2nd, 2011

The U.S. aims to be a leader in advanced technology cars, but a new analysis says building them isn't the only hold-up to reducing vehicle emissions.

More Evidence Accumulates of Record Greenhouse Gases and Warming Temperatures

  • Published: Dec 1st, 2010

Three new studies provide evidence of a warming climate.

Could a Brightening Sun Cool the Earth?

  • Published: Oct 7th, 2010

A new study suggests the sun-climate connection is more complex than we thought — but it's too early to tell if the results will hold up.

Climate in Context: Facing Off With Climate Skeptics; Arctic Ice Melting Affects Phytoplankton

  • Published: Sep 20th, 2010

The late Stephen Schneider take questions from climate skeptics; New study finds link between phytoplankton blooms and declining Arctic sea ice.

Why Can’t Scientists Say the Recent Extreme Weather Events Are ‘Proof’ of Climate Change?

  • Published: Aug 17th, 2010

The extreme weather events we are seeing today, such as flooding in Pakistan and the Russian heat wave, are theoretically possible with or without climate change. But climate change greatly increases the odds that extreme events will occur.