While the idea that human-generated carbon emissions are nothing new, and the impact of greenhouse gasses on global warming have been evident for quite some time, there has been a great deal of debate over exactly how much humans have been contributing to the issue, as opposed to the natural portion of the warming cycle that the planet has been undergoing since the start of the Holocene era. But now a new study seems to have quantified our contribution — and it isn’t insignificant.
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