Surfing in / Climate Change
The U.S. Environmental Protection Agency announced it will no longer ask oil and gas well operators to submit information about their equipment or methane emissions. Methane is short-lived, but powerful greenhouse gas. Over the short term, it can trap heat at least 30 times more efficiently than carbon dioxide, and is thought to be responsible for about a quarter of modern global warming.
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Humans may have been altering Arctic sea ice longer than previously thought, according to researchers studying the effects of air pollution on sea ice growth in the mid-20th Century.
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As humans burn fossil fuels and release greenhouse gases, those gases enter the atmosphere where they cause increases in global temperatures and climate consequences. But for many years scientists have known that not all of the carbon dioxide we emit ends up in the atmosphere. About 40% actually gets absorbed in the ocean waters.
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The UN Oceans Conference planned for June 2017 aims to create a more coordinated global approach to protecting the world’s oceans from rising threats such as acidification, plastic litter, rising sea levels and declining fish stocks.
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Australians are no strangers to hot weather. But for the past week large parts of the continent have suffered a heatwave of unusual length and intensity. Temperature records were beaten around the country.
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Between 2030 and 2050, climate change is projected to cause about 250,000 additional deaths per year from heat stress, malnutrition and the spread of infectious diseases like malaria, according to the World Health Organization.
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Last winter’s El Niño was in fact one of the most powerful climate events of the past 145 years. If such severe El Niño events become more common in the future as some studies suggest they might, the California coast — home to more than 25 million people — may become increasingly vulnerable to coastal hazards. And that’s independent of projected sea level rise.
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In a study released today, U.S. Geological Survey scientists and their colleagues document how the 2015-16 winter featured one of the most powerful El Niño climate events of the last 145 years. Investigating 29 beaches along the U.S West Coast from Washington to southern California, researchers found that winter beach erosion was 76 percent above normal, by far the highest ever recorded, and most beaches in California eroded beyond historical extremes.
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For the first time, researchers have developed a mathematical equation to describe the impact of human activity on the earth, finding people are causing the climate to change 170 times faster than natural forces.
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