The New Report On Climate, Part 3

Fourth National Climate Assessment, Volume II: Impacts, Risks, and Adaptation in the United States; The National Climate Assessment (NCA) assesses the science of climate change and variability and its impacts across the United States, now and throughout this century.

November 23, 2018 (U.S. Global Change Research Program)

“…[The Fourth National Climate Assessment, Volume II, a congressionally-mandated report from 13 federal agencies] detailing the impacts of climate change across the United States, shows] the clear and present danger that human-caused climate change poses to the American people, especially to communities of color, the elderly and rural communities…[It shows there] is no credible alternative to greenhouse gasses to explain the warming…Temperatures have risen 1.8°F since 1901, and all of that warming (plus some) is due to human activity…Globally, 16 of the last 17 years are the warmest years on record…The planet has 1.1°F of warming locked in, even if emissions were to drop to zero in the short term.

click to enlarge

…Economic losses from climate change could reach hundreds of billions of dollars annually, for some sectors. Climate impacts along the coastlines are exacerbating existing social inequities. Communities face difficult questions regarding who will pay for current impacts and future adaptation strategies and if, how, or when to relocate vulnerable communities…The Southeast is expected to lose over a half-billion labor hours by 2100 due to extreme heat…Agricultural crop quality and quantity is projected to decline across the U.S. due to increased flooding, temperatures, drought and other climatic changes...In the Midwest, corn crop yields could decrease by up to 25 percent by mid-century...The economic value of timber is expected to decrease by up to $788 billion by the end of the century due to changes in forest composition…In 2010, heat stress was estimated to have lowered annual U.S. dairy production by $1.2 billion…Global warming and acidifying oceans are already harming the $200 billion fishing sector…” click here for more

click to enlarge

Tweet