Fiona Harvey

Report says refugees forced to leave homes by weather caused by global warming may end up in even worse afflicted areas

Atmospheric Carbon Dioxide from Mauna Loa, Hawaii from IPY III (1957-58) to IPY IV (2007-2009)

Also known as the "Keeling Curve"

You might not know this (most people don’t,) but 2007-2008 is an International Polar Year (IPY). More than 60 countries, including the U.S., have developed large-scale polar research projects that rely heavily on international coordination and collaboration.

Andrew Burger

Global carbon dioxide (CO2) emissions reached an all-time high in 2010, rising 45% in the past 20 yea

German academics have used the mathematics behind the strategic behaviour of countries to propose a way though the myriad impasses

Reports focus on the possibility a record minimum for Arctic sea ice in September, but a major loss during the early summer months is climatologically more important

Mary Wisniewski

Blizzards. Tornadoes. Floods. Record heat and drought, followed by wildfires.

The first eight months of 2011 have brought strange and destructive weather to the United States.

Mary Wisniewski

Blizzards. Tornadoes. Floods. Record heat and drought, followed by wildfires.

The first eight months of 2011 have brought strange and destructive weather to the United States.

JUSTIN GILLIS

For two decades, the world’s governments have failed to meet their own commitment to reduce emissions of carbon dioxide, the main heat-trapping gas.

Damian Carrington

Changes in the global climate that cut food production triggered one-fifth of civil conflicts between 1950 and 2004

Jonathan Amos

Scientists have produced what they say is the first complete map of how the ice moves across Antarctica.