Archive for the ‘Air and Water’ Category

Apr18

Progress in ocean energy

Tidal Power Station

Audio clip: Adobe Flash Player (version 9 or above) is required to play this audio clip. Download the latest version here. You also need to have JavaScript enabled in your browser.

For over a decade, the annual Ocean Energy International conference has followed the steady but creeping progress of technologies to extract energy from the world’s oceans.  This year’s meeting in Providence, Rhode Island featured multiple announcements of major new projects.  The pace of commercialization of ocean energy is definitely quickening. (more…)

Apr15

Is the Atlantic a re-circulating bathtub?

atlantic ocean

Audio clip: Adobe Flash Player (version 9 or above) is required to play this audio clip. Download the latest version here. You also need to have JavaScript enabled in your browser.

From the shore, we are likely to overlook the real dynamics of the Atlantic Ocean.  Surface and deep ocean currents stir its waters in a global circulation that each year carries more water than all the rivers of the world combined. (more…)

Apr14

Oil-palm in Africa

Oil Palm

Audio clip: Adobe Flash Player (version 9 or above) is required to play this audio clip. Download the latest version here. You also need to have JavaScript enabled in your browser.

Palm oil is in demand. It’s found in nearly half of the processed foods in our supermarkets, from ice cream and cookies to canned soup and baby formula. But plans to cultivate the oil palm tree in its native Africa are raising concern about deforestation and the protection of primates. (more…)

Apr11

California’s water

San Luis Reservoir, CA

Audio clip: Adobe Flash Player (version 9 or above) is required to play this audio clip. Download the latest version here. You also need to have JavaScript enabled in your browser.

We’ve all seen the news reports of this winter’s devastating drought in California. Last year was the state’s driest in more than a century, resulting in a water shortage with dire consequences, especially for farmers. Even recent rain and snow storms have made only a minuscule improvement in the severe water deficit. (more…)

Apr09

Salt-water fish save water

Halibut

Audio clip: Adobe Flash Player (version 9 or above) is required to play this audio clip. Download the latest version here. You also need to have JavaScript enabled in your browser.

An estimated 80% of the water used in the U.S. supports crop and livestock production. Resource managers are increasingly concerned about the excessive amount of water required to satisfy our nation’s appetite for beef.  Using conservative estimates, it takes 441 gallons of water to produce one pound of conventionally raised beef. (more…)

Earth Wise is a presentation of WAMC Northeast Public Radio and The Cary Institute of Ecosystem Studies Follow us Facebook Twiter RSS Podcast