CO2 'highest for 650,000 years'
Harry Krause wrote:
CO2 'highest for 650,000 years'
By Richard Black
Environment Correspondent, BBC News website
Current levels of the greenhouse gases carbon dioxide and methane in the
atmosphere are higher now than at any time in the last 650,000 years.
Last year the headline would have read: "CO2 'highest for 649,999 years'"
Dan
|