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Geotechnical Egineering News tagged with [environmental impact]

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Southern Hemisphere recovered faster from dino strike
BBC NEWS   08 November 2016   Patagonia   Americas  
The fossils were unearthed in Patagonia, Argentina (source: bbc.com)
<p>Life in the southern hemisphere appears to have recovered more quickly than expected from the asteroid strike that wiped out the dinosaurs.</p> <p>In North America, it took 9 million years for ecosystems to recover.</p> <p>However, in South America - further ...
Drying Arctic soils could accelerate greenhouse gas emissions
Science Daily   13 June 2016   USA   Arctic  
Gas bubbles are released from a saturated part of the Barrow Environmental Observatory. Credit: Oak Ridge National Laboratory
<p>A new study published in Nature Climate Change indicates soil moisture levels will determine how much carbon is released to the atmosphere as rising temperatures thaw Arctic lands.</p>
In Utah, 'Possible Turning Point' in Fight to Keep Fossil Fuels in the Ground
CommonDreams   17 November 2015   USA   Utah  
"Climate activists, Indigenous leaders and others are all coalescing around the need to keep fossil fuels in the ground in order to prevent catastrophic climate change," says 350.org's Jason Kowalski. (Photo: WildEarth Guardians/Twitter)
<p>Facing public uprising, the US Bureau of Land Management postpones auction of 73,000 acres of publicly owned oil and gas resources in Utah</p> <p>Where environmentalists and Indigenous activists expected to protest on Tuesday morning, they celebrated instead, ...
Filed under: Energy resources
Brazil mining flood could devastate environment for years
Yahoo News   15 November 2015   Brazil   Bento Rodriguez  
General view from above of a dam owned by Vale SA and BHP Billiton Ltd that burst, in Mariana, Brazil
<p>RIO DOCE, Brazil (Reuters) - The collapse of two dams at a Brazilian mine has cut off drinking water for quarter of a million people and saturated waterways downstream with dense orange sediment that could wreck the ecosystem for years to come.<br>Nine ...
California drought causing valley land to sink
Science Daily   20 August 2015   USA   California  
Total subsidence in California's San Joaquin Valley, Canadian Space Agency/NASA/JPL-Caltech
<p>As Californians continue pumping groundwater in response to the historic drought, the California Department of Water Resources has released a new NASA report showing land in the San Joaquin Valley is sinking faster than ever before, nearly 2 inches (5 centimeters) ...
Filed under: Natural Hazards
After Colorado spill, attention turns to threat of old mines
RT   18 August 2015   USA   Colorado  
Animas River in Colorado, August 2015
<p>Colorado is scrambling to address 230 abandoned mines, which leak enough heavy metals to rival the Gold King disaster every two days. Tens of thousands of old mines dot public lands in the western US, and 80 percent are in need of remediation. Environmental ...
Filed under: Mining News
DOL: 99 percent of mining industry is complying with coal dust rule
THE HILL   18 August 2015   USA  
Coal mining
<p>One year in, the Department of Labor (DOL) says its rule to protect miners from the coal dust that causes deadly black lung disease is working. DOL&rsquo;s Mine Safety and Health Administration&rsquo;s (MSHA) final rule, which took effect in August 2014, ...
Filed under: Mining News
EPA test results reveal Colorado spill's toxic stew as thousands of other abandoned mines leak
Star Tribune   13 August 2015   USA   Colorado  
people kayak in the Animas River near Durango, Colo
<p>SILVERTON, Colorado &mdash; It will take many years and many millions of dollars simply to manage and not even remove the toxic wastewater from an abandoned mine that unleashed a 100-mile-long torrent of heavy metals into Western rivers and has likely reached ...
Filed under: Mining News
Mining the heart of the Mother of God: Peru’s gold rush claims more forest
Mongabay   04 August 2015   Peru   Peruvian Amazon  
Río Huaypetue gold mine in Peru
<p>In the heart of the Peruvian Amazon, a global craving for precious metals has changed life for local communities. As prices remain relatively high and it retains its reputation as a safe investment, the true costs of gold extraction ripple through the rainforests ...
Filed under: Mining News
Problems at dam feeding Delaware River had officials thinking the worst
Lehighvalleylive   03 August 2015   USA   New York  
foam along the shore in Downtown Easton
<p>Drinking water supplies and downstream releases from the Cannonsville Reservoir in New York began moving toward normal levels on Sunday after nearly a month of muted concern, according to the New York City Department of Environmental Protection. The upstate ...