2007: worst year for the environment - by Jonathan Leake and Richard Lovet
The American Geophysical Union's annual meeting, in San Francisco, is one of the largest scientific conferences in the world - and it coincides exactly with the second half of the Bali meeting. There, in a series of symposia, climate scientists reported how 2007 was becoming a "year of worsts". So far the year has seen the least sea ice in the Arctic, fastest retreat of mountain glaciers on Kilimanjaro, and the quickest decline of snow in Greenland.
Some even wondered if the earth is now nearing a "tipping point" in which climate change will become irreversible, sliding humanity into a future of floods, heat, and rising sea levels.
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