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US Climate Report Says Global Warming Impact Already Severe

Hugh Pickens DOT Com (2995471) writes | about 6 months ago

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Hugh Pickens DOT Com (2995471) writes "Darryl Fears reports in the Washington Post that according to the government’s newest national assessment of climate change, Americans are already feeling the effects of global warming. “For a long time we have perceived climate change as an issue that’s distant, affecting just polar bears or something that matters to our kids," says Katharine Hayhoe, a Texas Tech University professor and lead co-author of the changing climate chapter of the assessment. "This shows it’s not just in the future; it matters today. Many people are feeling the effects.” The assessment carves the nation into sections and examines the impacts: More sea-level rise, flooding, storm surge, precipitation and heat waves in the Northeast; frequent water shortages and hurricanes in the Southeast and Caribbean; more drought and wildfires in the Southwest. "Residents of some coastal cities see their streets flood more regularly during storms and high tides. Inland cities near large rivers also experience more flooding, especially in the Midwest and Northeast. Insurance rates are rising in some vulnerable locations, and insurance is no longer available in others. Hotter and drier weather and earlier snow melt mean that wildfires in the West start earlier in the spring, last later into the fall, and burn more acreage. In Arctic Alaska, the summer sea ice that once protected the coasts has receded, and autumn storms now cause more erosion, threatening many communities with relocation." The report concludes that over recent decades, climate science has advanced significantly and that increased scrutiny has led to increased certainty that we are now seeing impacts associated with human-induced climate change. "What is new over the last decade is that we know with increasing certainty that climate change is happening now. While scientists continue to refine projections of the future, observations unequivocally show that climate is changing and that the warming of the past 50 years is primarily due to human-induced emissions of heat-trapping gases. These emissions come mainly from burning coal, oil, and gas, with additional contributions from forest clearing and some agricultural practices.""

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