reflections in the rain about a dream
The Maya civilization, which occupied much of modern-day Mexico and Central America, collapsed rapidly between 800 and 1000 AD. This collapse has often puzzled archaeologists. There hasn’t been a clear explanation for why the society collapsed, which was known for its sophisticated calendar system and pyramid construction.
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Methane gas is escaping from the seabed sediments somewhere off the coast of North Carolina. Researchers think that a shifting Gulf Stream, the Atlantic Ocean current that flows north from the Gulf of Mexico, is to blame since it is delivering warmer waters to areas that had previously only received colder waters.
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Hudson Bay on April 6 (left) and June 5 (right), 2012. Image: NASA
While it may seem that melting arctic snow isn’t as dramatic as the record ice melt that’s occurred this year, the loss of arctic snow potentially has profound consequences for weather patterns, especially in the USA.
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A new report commissioned by 20 different governments states that more than 100 million people will die by 2030 if nothing is done to tackle climate change. Global economic growth will also be cut by 3.2% of gross domestic product (GDP).
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Brazilian and British scientists have been examining the heavy smoke plumes from wildfires in the Amazon, gathering data, to understand how the burning of biomass in South America is affecting the local weather and air quality. This might help close crucial gaps in climate models about how the process changes the Earth’s radiation balance.
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This year, the Arctic sea experienced a record ice melt during the summer and this might mean that northern Europe will experience a frigid winter. In the past years, when there was a lot of ice melt, there were bad winters.
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While satellites have confirmed that Greenland has lost a significant part of its ice sheet, a recent study in Science indicates that the ice sheet may be able to slow its melting much quicker than previously thought.
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There has been a definite, palpable impact on the Earth’s climate by global warming. The unusual high frequency of heatwaves indicate that there has to be a human influence. As much of the USA sizzles through another scorching summer and the Midwest endures a historic drought, NASA’s climatologist James Hansen states that the future he predicted in 1988 has finally arrived.
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