CATscience - Climate and Alternative Temperature science

Despite decades of effort, scientists do not know what “number”—in terms of temperature or concentrations of greenhouse gases in the atmosph...

TckTckTck is a project of the the Global Campaign for Climate Action (GCCA), a bold, new initiative involving a growing number of national a...

Barack Obama denies accusations that he 'crashed' secret Chinese climate change talks Senior US officials insist that President Bar...

Climate secretary accuses China, Sudan, Bolivia and other leftwing Latin American countries of trying to hijack Copenhagen. Ed Miliband ha...

Copenhagen climate deal: Spectacular failure - or a few important steps? We ask leading climate change experts for their assessment of the ...

As recriminations fly post-Copenhagen, one writer offers a fly-on-the-wall account of how talks failed Mark Lynas guardian.co.uk, Tuesd...

Efforts to secure a legally-binding climate change deal failed last week because talks were ''held to ransom'' by a small nu...

BBC News environment correspondent Richard Black traces key milestones, scientific discoveries, technical innovations and political action....

 The pictures and commentary below are taken from the  BBCs Roger Black 3 minute lecture. Now that world leaders have met in Copenhagen ...