A report from Joe Romm on the current temperature records, with inputs from Kevin Trenberth. Their view puts an emphasis on the stairstep pattern, which features a sharp jump followed by a number of years of consolidation and slower growth. The question not answered is how many years will it be before the next jump, if the same pattern continues. Also, the main chart now shows five up years in a row, which is unusual. And when might we get another year that is significantly down, for a short break, as in 1999?
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How the oceans have been accumulating heat (NY Times). The oceans’ surface temperature is not a perfect indicator of how much heat is being stored down below, but the basic trend is unmistakable. Notice how all of the oceans tend to show fluctuations in surface temperature anomalies, relative to each other, from one decade to the next. Thus they can all take turns in having their own effect on air temperatures, which poses a difficulty for forecasters.
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How solar shingles are being developed. They are now ready to go and offer a practical alternative to panels, with enough attraction to have a positive effect on the growth of the whole solar market.
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The expanding role of community solar programs. This story explains how they work and why they have so much acceptance. This has become another important source of acceleration for the solar energy market.
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An interesting hypothesis about Earth’s carbon. Why is there so much carbon in and around the Earth’s surface? It is not supposed to be that way, but there is a new theory about a possible cause, based on experimental evidence. Because the described event is so unusual one might draw the conclusion that the presence of carbon-based life on any planet is more extremely rare than commonly supposed. Just another reason for us to be careful about preserving it.