Sustainability - Most Commented

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Safe drinking water gets harder to tap

Dec 17, 2007
Water is the subject of a new book called "Blue Planet Run." Kai Ryssdal talked with its author and photographer Rick Smolan about how so much of the water we do have is polluted and unusable.

Drought stirs up dust between states

Dec 17, 2007
A meeting of governors for Georgia, Florida and Alabama didn't resolve their fight over ever-shorter water supplies. But they did promise to make peace before they meet again in two months. Nancy Marshall-Genzer reports on how things got so bad.

Traders consider a different green

Dec 13, 2007
Intended to tap into the fast-growing carbon allowances market, the Green Exchange, a joint venture between the New York Merchantile Exchange and big Wall Street banks, will open early next year. Sarah Gardner reports.
Posted In: Wall Street

Can CSR be taken at face value?

Dec 12, 2007
In response to: Corporations find 'responsibility' sells Marketplace,® Dec. 11, 2007 Heidi Siegelbaum's take: I have nothing a...

Cap-and-trade still has kinks

Dec 11, 2007
Despite the cap-and-trade system inspired by the Kyoto Protocol, Europe's greenhouse gas emissions are still rising. Sarah Gardner looks into where the scheme may have failed -- and where it could still succeed.

Google is to Spider-Man as ... ?

Dec 3, 2007
In response to: Google searching for renewable energy Marketplace,® Nov. 27, 2007 Dennis Markatos-Soriano's take In Spider-Man...

Saving water after it goes to waste

Dec 3, 2007
As drinking water becomes more precious, some cities are looking at the sewers in a new way. Sarah Gardner reports on new efforts to recycle wastewater -- and get people more enthused about the toilet-to-tap scenario.

Google searching for renewable energy

Nov 27, 2007
The Web giant has announced plans to invest hundreds of millions of dollars in green energy projects. It plans to produce enough electricity from renewable energy sources to power a city the size of San Francisco. Sam Eaton reports.

Las Vegas' new City Center: greenwashed or not?

Nov 27, 2007
In response to: The Greening of Las Vegas Weekend America,® Nov. 17, 2007 Jim Nicolow's take Holy crap! We're holding up Las Vegas as a...

Organic turkey can leave a big footprint

Nov 23, 2007
One of the options for the traditional Thanksgiving meal is to buy an organic turkey raised on natural feed and no antibiotics. But commentator Kelly Alexander says such a turkey may not be all that friendly to the environment.

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