Humans Have Caused Global Warming for Longer Than We Thought — TIME

People have been contributing to global warming since the mid-nineteenth century, decades before scientists previously estimated, according to new research published in the journal Nature. The study questions the perception of climate change as primarily a 20th century phenomenon and provides new evidence of how quickly the Earth’s atmosphere responds to increased levels of greenhouse…

via Humans Have Caused Global Warming for Longer Than We Thought — TIME

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