Leave It to Beavers via PBS

“Leave it to Beavers” on NATURE tells the story of beavers in North America — their history, their near extinction, and their current comeback as modern day eco-heroes. The full amazing episode is available for online streaming at pbs.org/nature.

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River as Sewer System

In his fact-filled and thought-provoking critique of man’s long history of impacts on the Snake River, Richard Manning, writing in a recent High Country News asks the reader to acknowledge one basic fact.  “The Snake River Plain,” he writes “sprawling over 15,600 square miles, is a desert.  The river system and…

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Flood Alleviation – Unpaid Engineers to Restore Floodplains

Following major floods in January 2014 Marina Pacheco, the chief executive of the UK Mammal Society, recommended that the UK Government promote beaver reintroductions as a means of reducing flood risk in the future. “Restoring the beaver to Britain’s rivers would bring huge benefits in terms of flood alleviation. These…

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Yvon Chouinard: Tear Down ‘Deadbeat’ Dams

A recent New York Times Opinion piece by Yvon Chouinard titled “Tear Down ‘Deadbeat’ Dams,” rightly questions the values and highlights the environmental risks associated with dams, underlining that the benefits “for water use, flood control and electricity – can now be met more effectively without continuing to choke entire…

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Struggling To Contain A Rising Mississippi

Floodwaters are rising to record heights in the lower Mississippi, weeks before they’re expected to crest. Ira Flatow and guests discuss how engineers have boxed in the river with dams, levees and spillways, and whether human-induced climate change might bring more frequent floods. >More via ScienceFriday

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The Most Invasive Species

I read with interest the recent story by Brett French “Barrier Proposed to Protect Cutthroat,” announcing Montana Fish Wildlife & Parks’ latest misguided plan to construct dams and dump poison into streams in Sweet Grass County.  It occurs to me that if anyone other than state fisheries biologists were building dams in…

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