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Politics : The Environmentalist Thread -- Ignore unavailable to you. Want to Upgrade?

To: Skywatcher who wrote (5819)	2/4/2006 3:18:39 AM
From: average joe	Respond to of 36917

Even if global warming was a fact it would actually represent a net benefit for humans because plants thrive on increased carbon dioxide. Humans eat plants and humans eat animals that eat plants. Vegans and carnivores can say cheers to that.

To: Skywatcher who wrote (5819)	2/4/2006 10:01:27 AM
From: Alastair McIntosh	Read Replies (2) \| Respond to of 36917

Here is a better look at the mass balance of the Greenland ice sheet: esa.int This study shows that the mass of the ice sheet is actually increasing. excerpt: By combining tens of millions of data points from ERS-1 and ERS-2, the team determined spatial patterns of surface elevation variations and changes over an 11-year period. The result is a mixed picture, with a net increase of 6.4 centimetres per year in the interior area above 1500 metres elevation. Below that altitude, the elevation-change rate is minus 2.0 cm per year, broadly matching reported thinning in the ice-sheet margins. The trend below 1500 metres however does not include the steeply-sloping marginal areas where current altimeter data are unusable. The spatially averaged increase is 5.4 cm per year over the study area, when corrected for post-Ice Age uplift of the bedrock beneath the ice sheet. These results are remarkable because they are in contrast to previous scientific findings of balance in Greenland's high-elevation ice.