Jeff Opperman

Jeff Opperman is The Nature Conservancy's senior advisor for sustainable hydropower. He works to promote ecologically sustainable water management in river basins with hydropower infrastructure. Through this work, Jeff has provided strategic and scientific assistance to environmental flow assessments for several rivers in the United States and for the Yangtze River and the Patuca River (Honduras).

Will nature always be the last book on the shelf?

Photo: Martin DeutschCross-posted from Cool Green Science. Driving with my kids the other day, I saw a sign announcing: “Borders Books Going Out of Business: 90% Off!” We headed in with great enthusiasm, thoughts of nearly free books dancing in …

When the levees broke: the flood that made rock 'n' roll

An epic flood on the Mississippi River in 1927 spurred the northward migration that transformed Delta Blues into Chicago Blues.

Which cities can best adapt to climate change?

Here are the most resilient -- and most vulnerable -- cities to climate change.