Climate Letter #434

Heatwave in the Pacific Northwest.  Records are being shattered, including figures like 113F in parts of Washington state.  Average summer temperatures for much of the region have risen 2.6F (1.4C) since 1970, or about twice the global average, and may very well be accelerating.

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China’s commitment to reduction of CO2 emissions   The number that most catches your attention is the promise to make reductions of 60-65% per unit of GDP between 2005 and 2030.  This sounds great, but there is an underlying problem.  Even with a slowdown from here China’s GDP is destined to expand by around four times during that particular 25-year period, which would result in annual emissions far above those of 2005.  Getting them below the much higher 2015 level is a more realistic goal, and does have a chance, but still depends on 15 years of extraordinary achievement.
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New research on the heavy environmental impact of human activity.  While the effects are already labeled as catastrophic, the authors believe the part attributable to global warming has so far been relatively small.  That is now likely to change, by more intense amplification.
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An imaginative new way to generate solar power is being tested.  It is actually a way to combine solar and wind energy through the chimney effect.  The idea makes sense, at least for some locations, and there is plenty of room for engineering improvements.
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An easy way to get a basic education in climate science.  The online course that began last April, offered by Queensland University, is again open for enrollment, this time allowing participants to proceed at their own pace.  Details are available at the link below.  The second video will give you a taste of what the lectures are like, and all of the subject matter covered is listed further on.  There could not be an easier or more pleasant way to learn these things.
Carl

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