Earth's climate -- The greenhouse effect -- Checks and balances -- Natural climate change -- Human impact -- Burning the forests -- Fossil fuels -- Our carbon culture -- Adding to the problem -- Heatwaves and droughts -- Melting ice -- Warming oceans -- Oceanic research -- Living with the heat -- Plight of the polar bear -- Climate models -- This century -- What scares the scientists? -- Who is most vulnerable? -- Adapting to climate change -- Combating climate change -- Cutting the carbon -- Nuclear power -- Renewable enery -- Power for the people -- Energy efficiency -- Green transport -- Your carbon footprint -- Greenhouse-gas producers.