New information about the vulnerability of permafrost to higher temperatures (Phys.org). Research in the very high Arctic has shown that even a small amount of extra warming in a brief summer season leads to major changes in unvegetated landforms, a surprise to scientists. “… this research clearly demonstrates the complex nature of ice-rich permafrost systems and climate-permafrost interaction…..it raises concerns about the over simplification of some studies that generalize about the links between global warming and permafrost degradation.”
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A comprehensive review of mountain glacier studies points to massive future melting (Phys.org). The review covered mass changes predicted for over 200,000 glaciers, not including Greenland and Antarctica. “Glaciers worldwide are projected to lose anywhere from 18% to 36% of their mass by 2100, resulting in almost 10 inches of sea level rise.” (That suggests the potential for another 20-30 inches worth of melting from this source after 2100.)
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A new study, taking a hard look, fails to find any purely natural causes behind the long-term trend of Earth’s rising temperatures since 1850 (ScienceDaily). None of the natural cooling effects that have been observed can be shown to have continued for more than a relatively short period of time. That leaves factors related to human activity responsible for virtually the entire increase to date.
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Climate change is altering the composition of the world’s plankton communities (Yale e360). A study of many species of zooplankton shows that they have moved poleward by hundreds of miles because of higher water temperatures. Species that feed on them are often not able to easily adapt, thus disturbing large parts of the entire marine food web.
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The latest advances in wind power technology (VOX). Turbines keep getting bigger, stronger and more efficient, seemingly without limit. And that means much cheaper electricity not far ahead, “cheap enough to absolutely crush all competitors.”
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How people are affected by contrasting feelings of hope and doubt with respect to climate change (Frontiers in Communication). This lengthy and scholarly article takes a deep dive into the psychology of communication about a truly difficult subject. It was written by people involved in public polling for Yale and George Mason universities.
Carl