Results of Gallup’s new annual poll of American concerns about climate change. There are no real surprises and not much change from a year ago. Compared with numbers from a few years back, today’s concerns are clearly greater in all categories of questioning.
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–An article about the poll in Newsweek contains a number of interesting comments about the results from a variety of authorities. Here is one from a professor at NYU: “The fact is that the American political system (for better or worse) is not good at translating issue preferences into policy.”
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From Carbon Brief, a portrait of Indonesia, the world-s fourth largest emitter of CO2 and second only to the US in emissions per capita. The numbers are amplified by effects of deforestation and other land use practices plus the peat fires that occur in El Nino years. This nation is also among those most highly vulnerable to impacts of climate change, especially in light of its fierce hurricanes and exposure to sea level rise. Everything about the future of this fascinating country is complicated.
–Separately, a new report issued by a global think tank makes it clear that Indonesia is in position to benefit greatly if wise choices can be made toward needed changes (Climate Home News). The government’s initial response to this report seems quite positive.
https://www.climatechangenews.com/2019/03/26/indonesia-says-will-mainstream-low-carbon-development/?
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Removal of CO2 from ocean water is a geoengineering possibility worth considering (The Conversation). Two professors who do research in this area summarize their thinking about how this might be accomplished, the costs and potential problems, along with comparisons with other negative emissions technologies. Oceans regularly absorb CO2 from the atmosphere, and if some part of new absorption were artificially removed it would soon be replaced by sucking more from atmosphere to water in a natural way. Sequestering CO2 is not a major problem for the chosen methodology. They conclude with this, “Adding alkaline materials to speed up mineral weathering is one such approach that deserves serious consideration, though only after thorough scrutiny.”
–For more information, this link has a video of a lecture where the process is described:
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Another scientist has done some creative thinking about a way to remove CO2 from the atmosphere by making changes in soil biology (Scientific American). There would also be significant benefits for crop yields. “Through photosynthesis, the cover crops pulled CO2 from the air, sank roots deep into the earth, and towered over the land….Johnson reported a net annual increase of almost 11 metric tons of soil carbon per hectare on his cropland.”
Carl