Earth’s carbon dioxide levels are likely the highest they've been in 15 million years

We’ve entered some profoundly unfamiliar planetary territory.

Amid a backdrop of U.S. politicians still questioning whether the changing climate is attributable to humans (it is), it's quite likely that we’ve actually boosted Earth's carbon dioxide — a potent greenhouse gas — to the highest levels they’ve been in some 15 million years. 

The number 15 million is dramatically higher than a statistic frequently cited by geologists and climate scientists: That today's carbon levels are the highest they've been on Earth in at least 800,000 years — as there's irrefutable proof trapped in the planet's ancient ice. Read more...

More about Science, Global Warming, Carbon Dioxide, Greenhouse Gases, and Climate Change

from Mashable https://mashable.com/article/climate-change-carbon-pollution-15-million-years/
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