New information about the sources of atmospheric methane, the growth of which is marked by shifting trends. The current rise is attributed mainly to agricultural practices, which can be controlled. There is considerable potential for the rise of uncontrollable sources if global warming continues, but that is not yet in evidence, nor is there evidence of an especially strong input from oil and gas operations. This report was published in a prestigious journal, which adds to its credibility.
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New data concerning the period of formation of Antarctica’s ice sheet. The data is taken from the study of sea-bed core samples drilled some years ago off the coast. The main conclusion is that the ice sheet generally stabilized about 34 million years ago when the CO2 level had dropped below 600 ppm, setting that level as a marker now to be avoided in order to prevent a complete breakdown.
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A new type of power plant that is fueled by natural gas and does not emit CO2 to the atmosphere. Construction of a pilot project in Texas has begun, based on a new technology that integrates the sequestering function. It has been funded to the tune of $140 million, which suggests pretty serious intent. The goal would be a whole new generation of clean power plants, said here to be affordable. Very interesting, but so very quietly done.
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Another way to make good use of captured CO2. A research team at Stanford has found a novel way to make plastic from CO2 and biomass rather than from petroleum, greatly reducing the carbon footprint. It would also give more value to processes like the one in the above post that capture large volumes of CO2 gas. The same team has further ambitions for making renewable fuels from CO2 and hydrogen.
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Why are nights warming up more rapidly than days? Observations made over fifty years prove this to be a fact, which has been puzzling to science. A new study offers an explanation based on the way the atmosphere is layered, which changes at night. It seems plausible, but not totally understandable, or perhaps just incomplete. I would like to see the explanation take into account the fact that during this same era temperatures over continental land masses have been rising more rapidly than those over the oceans, which is also a fact. Is there a difference in day and night patterns involved, and what would make it so?