8 Facts About Climate Change That Are Actually, Horrifyingly Real

Industraliziation Increases Carbon Dioxide Levels

The Earth's climate may have gone through changes in the past, but there's clear evidence that human activity is the major factor in the planet's current rising temperatures. According to NASA, pre-industrial carbon dioxide levels stayed around 280 parts per million (ppm). In December 2016, they were 405.25 ppm.

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