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In Case You Missed It: A Summary of the Latest Climate Science Information (and Its Security Implications)
In case you missed it, the World Meteorological Organization brought together multiple entities, including United Nations-affiliated organizations and others, to publish their collective information on the latest climate science at the end of the summer. Each organization wrote one or more chapters. The overall messages from these chapters include that greenhouse gases continued to increase in 2020 from 2019 despite a small reduction in the increase because of the COVID-19 pandemic; Paris Agreement greenhouse has emissions goals are not being met; the sea level is rising faster than the long-term average; the period 2016-2020 will likely be the warmest five years on record; and the extent of Arctic sea-ice continues to decrease with warming over the next five years continuing at twice the overall rate elsewhere around the globe.(more…)
As a complement to the Center for Climate and Security’s recent post on the Intelligence Community’s warnings about pandemics, and climate change, in its’ 2019 Worldwide Threat Assessment, it’s worth re-visiting the World Meteorological Organization’s report summarizing the state of the global climate in 2019 (the report; a summary). This report also contains warnings that should be heeded and acted upon as soon as possible, rather than waiting for catastrophic risks to emerge. The report is based on the latest scientific research, and summaries are provided for key global climate variables including “global mean surface temperature, atmospheric greenhouse gas concentrations, ocean heat content, global seal level, ocean acidification, sea-ice extent and the mass balance of glaciers and ice sheets.” These variables collectively affect short term weather events that then influence long-term climate changes, and the picture is one that should have all security analysts concerned. (more…)