Human society needs a change of collective mind-set in relation to the Earth, because it is on an unsustainable path in a world of limited resources.
Read MoreThe clock is running out, and human-caused climate change is already having disproportionate impacts on various regions around the world.
Read MoreWe know that temperature rises with CO2 levels normally, but what explains the huge jump in the last two centuries? Here's a hint: us.
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