Our planet is in the grip of rapid climate change. Explore how your city has already changed.
But the consequences extend way beyond the Arctic Circle. Retreating glaciers and ice sheets on land are already calving off an increased number of icebergs that drift south,The loss of sea ice is likely to accelerate global warming and disrupt climate way beyond the Arctic Ocean. Sea ice is white,back into space. But darker water absorbs most of that energy, and as it warms may change patterns of ocean circulation in ways that are likely to have far-reaching effects on the world’s weather.
“Any change will have drastic impacts on us because both the human and the natural world were designed or evolved for the recent past,” Thomas Peterson, former president of the World Meteorological Organization’sClockwise from top left: A woman sits on the front porch of her home surrounded by floodwater, March 22, 2019, in Craig, Missouri; Pakistani commuters cross a flooded street in Karachi, Jan.
Away from the Arctic, climatologists are studying extreme weather events, including floods, droughts, and storms, trying to determine which ones were caused or exacerbated by climate change. These “” often involve running climate models not to forecast future conditions, but rather to simulate past events to understand how they would have evolved with and without the warming our planet has already experienced.
This is hard to do, and in many cases, scientists have been unable to come up with a definitive answer. But in recent years, they have become more confident about blaming human-caused global warming forIn July 2018, for example, the international collaboration World Weather Attribution concluded that the water shortage that nearly
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