Climate Letter #264 October 28, 2014
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Cold winters in lower latitudes again being linked to Arctic warming. The main reasons, which have previously been described, keep gaining support.
Amazon carbon update. The Amazon rainforest is the world’s largest above ground concentrated store of carbon, and vulnerable to being degraded. Recent news there is not good, owing to a sizeable reduction in rainfall over a large area. This could even be linked to the warming of the Arctic! The full story is based on improved sources of data. Check out the split-screen image comparing one large reservoir in 2014 v. 2013.
Nitrous oxide emission study. N2O is the third most effective greenhouse gas caused by human activity. It is potentially dangerous but this study finds that means of control are available.
An unusual study of global population. Concerns are often expressed about the environmental effects of rapid global population growth, now projected to reach 11 billion by 2100. This study looks at various reduction scenarios, none of which are seen as likely to act as a solution to the most critical issues of sustainability.
Optimistic outlook for fuel-cell powered automobiles. The ability to produce “green” hydrogen is key, and that is happening, along with several system refinements.
Secretive new battery storage technology. This is a good story, not completely lacking in credibility.
Carl