New evidence on global warming
New evidence of the extent of global warming was published today. [Climate 'warmest for millennium'] Using a detailed reconstruction of the past, scientist demonstrate that the northern hemiphere is the warmest its been since the ninth century:
“As we get more and more evidence in, it is looking as if the current period is the warmest for over 1,000 years.”
In November, Science published a paper showing atmospheric levels of the greenhouse gases carbon dioxide and methane are higher now than at any time in the past 650,000 years.
February 9th, 2006