Climate Letter #886

Groundwater depletion will soon affect supplies and prices of food around the globe.  Irreplaceable groundwater now supplies global agriculture with 43% of its crop irrigation needs, simultaneously reducing its ability to meet future emergency needs in times of drought, which is sure to intensify in many places.  This post discusses the problem as revealed by a new study.

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A large majority of energy experts say that making a 100% global transition to renewable energy is both feasible and realistic.  There are still some doubters, but the basic news is encouraging because these are obviously people who have thorough knowledge and are willing to publicly commit themselves.  Thanks to many unexpected developments the weighting given to this strong opinion has changed considerably in the past few years.
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Europe cut its carbon emissions by 10% in 2015.  Most of that improvement came from unusually large additions of renewable sources for electric power, which will be difficult to repeat, but the gain is still impressive.
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The story of Uruguay’s transition to renewable energy (The Beam magazine).  This small country has quietly become a world leader, for reasons largely of the practical sort.
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China’s biggest challenge in becoming the true global motivational leader of positive climate action.  It’s all about energy investment policies beyond its own border, which now set a bad example.  The reforms that are needed must somehow be kept under a spotlight.
Carl

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