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514 search results for: choke point

470

Celebrating with a Blue Streak

A new member of the Circle of Blue team introduces herself. If you’re observant, you may have noticed a new name on Circle of Blue’s maps and graphics this summer – my name, Kaye LaFond. Maybe you’ve even read one of my stories. Since early June, I’ve been hanging around the Circle of Blue office […]

471

Despite Delays and Billions in Overruns, Olmsted Locks and Dam Project Rolls On

Ohio River project is departure for funds-starved U.S. water infrastructure installations. Photo © Keith Schneider / Circle of Blue The Olmsted Locks and Dam project, the largest and most expensive inland water navigation installation ever built in the United States, is either an outstanding example of American technical excellence and persistence, or a folly of […]

476

Joint U.S.-Canada Agency Calls for Big Phosphorus Reductions in Lake Erie

Curbing harmful algal blooms and oxygen-deprived dead zones in the Great Lakes requires pollution to be drastically reduced. Image courtesy Tom Archer / Michigan Sea Grant An algal bloom spreads across Lake Erie near Point Pelee, Ontario. Blooms in the lake consist primarily of tiny cyanobacteria that can release toxins capable of causing skin rashes […]

478

Report: Society’s Water Safety Net Is Fraying

A National Research Council report argues that groundwater use today is leaving society poorly prepared for potential rapid climate changes in the future. It is no exaggeration to claim that aquifers, water-saturated layers of subterranean sediment, have allowed agriculture, and thus modern life in our house of 7 billion, to prosper. America’s Great Plains are […]

480

The Stream, February 5: Water-Energy Nexus in China

When a Greenpeace China rapid response team ventured to a chemical spill site in the Shanxi province, they found that the area’s water supply was dwindling rapidly to support the growing coal production there, reports The New York Times. Much like the water-energy nexus story that Circle of Blue uncovered in other Northern Chinese provinces, […]