Troutdale
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scattered clouds
humidity: 77%
wind: 3mph WNW
H 51 • L 51
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What Thawed the Last Ice Age?

The relatively pleasant global climate of the last 10,000 years is largely thanks to higher levels of atmospheric carbon dioxide

Roughly 20,000 years ago the great ice sheets that buried much of Asia, Europe and North America stopped their creeping advance. Within a few hundred years sea levels in some places had risen by as […]