The interaction between the US health care industry and climate change (Vox). This fine article contains a range of observations, covering such things as the effects on patients, the industry as a major source of emissions and toxic waste and the many opportunities for physicians, nurses and administrators to be of help by getting more deeply involved. (Maybe patients, too, by giving them a push.)
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Legendary investor Jeremy Grantham sets an example with his blunt speech and active environmental philanthropy (Bloomberg Businessweek). This man has an unusually deep and comprehensive understanding of the current reality. Give him your ear.
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What happens when nature takes back control of abandoned pastureland? Nature can apparently do a fabulous job all by itself with not one bit of human interference (Country diary).
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Zeke Hausfather, who writes for Carbon Brief, analyzes the main components of global warming in 2018. He begins in a proper manner with how the deep oceans have warmed, because that is where nearly all the excess heat has been stored. He also gives us a rare look at warming in the lower troposphere, some three miles up. Ocean surface temperatures cooled off a bit, because it was a La Nina year in the Pacific, and that had a normal effect of cooling off a large region of surface air. The ocean water below the surface can actually retain a bit of extra heat in this situation, a reason for why total ocean heat content generally has a more stable rate of annual growth than surface air. This year a mild El Nino should bring more heat to the surface.
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More information about advances in the measurement of ocean heat content. The new work helps to clarify any misunderstanding about the role of ocean heat uptake in the global warming process. This link includes a picture of the cover of the March 2019 journal that will carry the study, offering a perfect image of what is happening, and the caption correctly identifies this process as the principal source of Earth’s energy imbalance. The energy that sinks into the ocean is energy that does not show up as a part of the emissions of heat that escape each day from the outer edges of the atmosphere into space, normally balancing the incoming radiation absorbed from sunlight. The amount of annual imbalance is always changing, even becoming negative in some years, but the historical total is still climbing because the oceans have plenty of capacity remaining to store more heat. Once they lose that capacity the air above the oceans will get warmer, just the way it regularly does over land. When that happens the global average air temperature will rise, probably by more than one-half degree, maybe almost one, and there is not much we can do to stop that from happening except through the actual removal of greenhouse gas, to free up the faster movement of energy through the atmosphere.
Carl