Four Alarmer for Future of the Earth from the UK Guardian: Revealed, The secret evidence of global warming Bush tried to hide.
Photos from US spy satellites declassified by the Obama White House provide the first graphic images of how the polar ice sheets are retreating in the summer.
The effects on the world's weather, environments and wildlife could be devastating.
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"We are what we repeatedly do. Excellence, therefore, is not an act, but a habit." - Aristotle