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It appears that the scale and seriousness of climate change is at last being grasped. In 2008, we stood on the brink of an historic consensus, not only between scientists, but in the corridors of political power and in boardrooms across the globe. It's not difficult to understand why.

NASA Earth Observatory

In 2008, the NASA Earth Observatory has captured some stunning images of the Earth.

    Coral grief

    One fifth of the world's coral reefs have already been destroyed according a new IUCN report.

      Poznan: what's the forecast? 

      Three prominent voices in the climate debate talk to CNN about what politicians need to agree at the UN climate talks.

        CO2 already in danger zone 

        A team of international scientists say that carbon dioxide levels are already in the danger zone.

          Study questions climate model

          A new study investigating carbon in Australian soil has cast doubt over the accuracy of current climate models.

            Human link to polar warming

            Scientists have uncovered proof that human activity is raising temperatures in both polar regions.

              Latest environment news

              Check the latest news on climate change on CNN/environment

              Quick Vote
              Will the EU meet its December deadline to agree a deal on climate change?
              Principal Voices: Climate Change
              Principal Voices: Climate Change

              Watch the third and final Principal Voices documentary: "Climate Change," presented by CNN's Charles Hodson.

              Rajendra Pachauri

              As head of the Intergovernmental Panel on Climate Change Dr Pachauri is at the forefront of global efforts to combat climate change.

              Carl Hodges

              Dr. Carl N. Hodges is turning the tide on sea-level rise and revolutionizing agriculture in the process.

              Alexandra Cousteau

              If ever there were a person born to be a champion of the environment, it's Alexandra Cousteau.