Scientists, traditionally the world's most cautious human beings, are now saying we have less than ten years before we reach the point of no return on slowing global warming. Tony Blair has said seven (and, since we are making predictions, I say five). Either way, we need to get busy fast.
Thankfully, we had a number of effective voices being raised on the issue this week, led by Barak Obama and New York Times columnist Tom Friedman (who coined...
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