Post by AztecWilliam on Jun 5, 2011 10:45:42 GMT -8
I posted a link to an informative article on light bulbs in the off-topic section. I did that because, though the issue is largely political, the article linked has lots of good technical detail.
I posted a link to an informative article on light bulbs in the off-topic section. I did that because, though the issue is largely political, the article linked has lots of good technical detail.
Since about 1976 the areal extent of sea-ice in the Northern Hemisphere has varied about a constant climatological level but in 1972-1975, sea-ice extent was significantly less - IPCC 1990 assessment, Page 224.