Add Yahoo as a preferred source to see more of our stories on Google. Earlier this month, scientists announced that humanity has kicked off the first major “tipping point” — in which an Earth system ...

The collapse of a major system of ocean currents, the meltdown of major ice sheets or the dieback of the Amazon rainforest are all examples of negative climate tipping points. These are the big risks ...

Earlier this month, scientists announced that humanity has kicked off the first major “tipping point” — in which an Earth system dramatically transforms, often permanently — as warm-water corals die ...