There is a big story today about a new and close study of the world’s tropical forests. Collectively they are losing more carbon to the atmosphere than the amount they are gaining, which reverses a previous common understanding. There are maps showing where actual net gains or losses are happening, with Brazil in the forefront for losses, due mainly to clearing forests in order to raise more cattle. Palm oil production in Asia also shows up strongly. It would not be difficult to return these regions to a large net sink if there is a will to do so, including the consumer markets that encourage this ongoing destruction.
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Methane emissions from cattle are also higher than estimated, by 11%. This Guardian story also has information about the entire role of methane as an important greenhouse gas, ranking second behind CO2.
–Methane in the atmosphere has been growing at about the same rate as CO2 for the last ten years. Mauna Loa keeps track of its growth in a regular way with up-to-date charted reports available at this site:
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Joe Romm has an interesting message about the best way to restore power in Puerto Rico, while wondering if anyone in the Trump administration is listening. “Case studies from Japan, India, and Hawaii also make clear the only technologies that can simultaneously deliver the fastest, cheapest, cleanest, and most disaster-resilient rebuild possible are micro-grids built around renewables and storage.”
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Vox has a very good report about reasons for the growing intensity of hurricanes and growing amounts of rainfall, and the connection between the two.
–I have a favorite way of showing how much heat a major hurricane like Maria can suck out of the ocean. Go to this site and look at that nice blue anomaly in the area where it was most intense. (Don’t wait too long.) Harvey and Irma both left similar markers.
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A new report on the trends of global CO2 and total greenhouse gas emissions through 2016. This is from the Netherlands Environmental Assessment Agency. There is too much to read, but if you just scroll down through it there are several beautifully constructed charts that show all of the important information back to 1990, full of details and easy to read.
Carl