The Earth was a very different place some 200 million years ago, when the first dinosaurs began to emerge during the Triassic Period. The climate was hot and dry, with atmospheric carbon dioxide levels sitting at about 2,000 parts per million (ppm) – far higher than our current level of about 405 ppm. But a new study suggests that if left unchecked we could be on track to return to those CO2 levels in the next few centuries, and with a little help from a brighter, hotter Sun, surface temperatures on Earth could soar to new heights.
.. Continue Reading 23rd century CO2 levels could surpass the age of the dinosaursCategory: Environment
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from New Atlas http://ift.tt/2nIIb9r
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