BBC News Science & Environment

22 February 2011 Last updated at 11:42 ET

Owls turn brown as climate warmsTawny owl perched in tree

Tawny owls turn brown to survive in warmer climates, say scientists, with the once dominant grey feathers becoming a thing of the past. Earth News


RSS DiscoveryScott samples give climate clues

Samples of a marine creature collected during Scott's Antarctic expeditions are yielding data that may prove valuable in projecting climate change.

An array of PV panels (Image: AP)Green economies to grow, says UN

Investing $1.3 trillion (£800bn) each year in green sectors would deliver long-term stability and growth in the global economy, a UN report suggests.

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