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Human-Caused Climate Change Reroutes Entire River for First Time on Record
By Andy Rowell
New research published in the journal Nature Geoscience Monday outlines the first documented case in modern times of what is being called "river piracy," in which one huge river suddenly flows into another.
On a research trip last summer in Canada's remote Yukon territory, scientists found that the vast Slims River had suddenly and unexpectedly changed direction.
For centuries, the Slims River had flowed north, carrying meltwater from the massive Kaskawulsh Glacier towards the Bering Sea. It was not a small river, spanning some 150 meters (492 feet) at its widest point.
However, the unusually hot spring last year caused an intense melting of the glacier that cut a new channel through the ice to the Alsek River, which flows southwards and into the Pacific. Where once the two rivers were comparable in size, the Slims has been reduced to a trickle and the Alsek is now some 60-70 times larger.
The Alsek had stolen the waters of the Slims.
The first recorded case of "river piracy" in the modern era shows how quickly climate change can alter natural topography. And more troubling for the scientists is that a phenomenon that they would expect to happen over hundreds of years occurred in a matter of days. Moreover, they do not expect it to be reversed. The river theft "is likely to be permanent," they argued.
"We were pretty shocked. We had no idea what was really in store," said Professor Dan Shugar, the paper's lead author and a geoscientist at the University of Washington Tacoma. "Day by day, we could see the water level dropping."
Another of the scientists involved, James Best, a geologist at the University of Illinois, described the discovery. "We went to the area intending to continue our measurements in the Slims River, but found the riverbed more or less dry," he said. "The delta top that we'd been sailing over in a small boat was now a dust storm. In terms of landscape change, it was incredibly dramatic."
The paper outlines that climate change is to blame.
In just fifty years, the Kaskawulsh Glacier has retreated by up to 700 meters (2297 feet). But last year, that rate increased dramatically with the unseasonably warm weather. The scientists argue that the chance of the "river piracy" occurring due to natural variability is at 0.5 percent. "So it's 99.5 percent that it occurred due to warming over the industrial era," said Best.
The phenomenon could have major ramifications for areas such as the Himalayas, the Andes or Alaska as global warming continues and glaciers continue to retreat. Professor Shugar told the New York Times that, as climate change causes more glaciers to melt, "We may see differences in the river networks and where rivers decide to go ... We may be surprised by what climate change has in store for us—and some of the effects might be much more rapid than we are expecting."
Indeed, the Nature Geoscience paper was published alongside an essay from Rachel M. Headley, an Assistant Professor of Geoscience at the University of Wisconsin-Parkside. "As the world warms and more glaciers melt, populations dependent upon glacial meltwater should pay special attention to these processes," she warned.
EcoWatch Daily Newsletter
By Jake Johnson
As a growing number of states move to pass laws that would criminalize pipeline protests and hit demonstrators with years in prison, an audio recording obtained by The Intercept showed a representative of a powerful oil and gas lobbying group bragging about the industry's success in crafting anti-protest legislation behind closed doors.
Speaking during a conference in Washington, DC in June, Derrick Morgan, senior vice president for federal and regulatory affairs at the American Fuel & Petrochemical Manufacturers (AFPM), touted "model legislation" that states across the nation have passed in recent months.
AFPM represents a number of major fossil fuel giants, including Chevron, Koch Industries and ExxonMobil.
"We've seen a lot of success at the state level, particularly starting with Oklahoma in 2017," said Morgan, citing Dakota Access Pipeline protests as the motivation behind the aggressive lobbying effort. "We're up to nine states that have passed laws that are substantially close to the model policy that you have in your packet."
Big Oil is now using its political power to try and criminalize protests of oil & gas infrastructure.— Friends of the Earth (@foe_us) August 19, 2019
"This legislation has potential to punish public participation and mischaracterize advocacy protected by the First Amendment."https://t.co/bmiHjONEhy
The audio recording comes just months after Texas Gov. Greg Abbott signed into law legislation that would punish anti-pipeline demonstrators with up to 10 years in prison, a move environmentalists condemned as a flagrant attack on free expression.
"Big Oil is hijacking our legislative system," Dallas Goldtooth of the Indigenous Environmental Network said after the Texas Senate passed the bill in May.
As The Intercept's Lee Fang reported Monday, the model legislation Morgan cited in his remarks "has been introduced in various forms in 22 states and passed in ... Texas, Louisiana, Oklahoma, Tennessee, Missouri, Indiana, Iowa, South Dakota, and North Dakota."
"The AFPM lobbyist also boasted that the template legislation has enjoyed bipartisan support," according to Fang. "In Louisiana, Democratic Gov. John Bel Edwards signed the version of the bill there, which is being challenged by the Center for Constitutional Rights. Even in Illinois, Morgan noted, 'We almost got that across the finish line in a very Democratic-dominated legislature.' The bill did not pass as it got pushed aside over time constraints at the end of the legislative session."
Many of the state bills restricting the right to protest have been "drafted by companies and passed through groups like ALEC, the secretive group of corporate lobbyists trying to rewrite state laws to benefit corporations over people." @greenpeaceusa https://t.co/ZxpTjWdrwT— Stand Up To ALEC (@StandUpToALEC) May 6, 2019
Reposted with permission from our media associate Common Dreams.
The last four members of an embattled wolf pack were killed in Washington State Friday, hours before the court order that could have saved them.
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By Randi Spivak
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By Sue Branford and Thais Borges
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