Comment on Arctic voyage finds global warming impact on ice, animals

By FRANK JORDANS, Associated Press, San Antonio Express-News: World
Sun, 08/13/2017 - 9:45pm

Arctic voyage finds global warming impact on ice, animals

The Associated Press was joining international researchers on a month-long, 10,000 kilometer (6,200-mile) journey to document the impact of climate change on the forbidding ice and frigid waters of the Far North. Yet for several decades, satellite pictures have shown a dramatic decline in Arctic sea ice that is already affecting the lives of humans and animals in the region, from Inuit communities to polar bears. Experts predict that the impact of melting sea ice will be felt across the northern hemisphere, altering ocean currents and causing freak weather as far south as Florida or France. Since the first orbital images were taken in 1979, Arctic sea ice coverage during the summer has dropped by an average of about 34,000 square miles each year — almost the surface area of Maine or the country of Serbia. Early explorers found themselves blinded by harsh sunlight reflecting off a desert of white, confused by mirages that give the illusion of giant ice cliffs all around, and thrown off course by the proximity of the North Pole distorting their compass readings. Distant smoke from Cape Bathurst signaled slow-burning shale fires, while giant white golf balls indicated the remains of Cold War radar stations. The 1,000-pound predators are at the top of a food chain that's being pummeled by global warming because of the immediate impact vanishing sea ice has on a range of animals and plants that depend on it. Last year, the hottest on record in the Arctic, the Crystal Serenity took 1,100 high-paying guests on a cruise of the Northwest Passage, prompting environmentalists to warn of an Arctic tourism rush that could disrupt wildlife habitat. Research published four years ago rang alarms bells about the future of the red king crab — a big earner for Alaska's fishing industry — because rising levels of carbon dioxide, a driver of global warming, are making oceans more acidic. Humans are also increasingly ventur

 

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