About Social Media Today
Comments by Marc Lefkowitz 
Kaid Benfield is director of sustainable communities and smart growth at the Natural Resources Defense Council in Washington, DC. More »
Chris Cheatham is a LEED Accredited Professional and green building authority who frequently speaks to groups and associations. More »
Jared Green is Web Content and Strategy Manager at the American Society of Landscape Architects (ASLA) More »
Rodrigo Herrera Vegas is a writer for for one of Argentina's main newspapers, La Nación, and a radio show host. More »
Warren Karlenzig Warren Karlenzig is the founder and president of Common Current. More »
Geoff Wilkinson is the Vice Chair of the Building Standards Faculty of the Chartered Institute of Building.i More »
Chuck Wolfe Chuck Wolfe is a lawyer, professor, and photographer who blogs at MyUrbanist. More »
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“I don't walk by choice. My vision forced me to give up my car years ago. I won't lie, I miss being able to drive. I hate the bus, though Santa Clara's VTA is one of the best systems in the country. But I am able to get around. And I walk to shop, sometimes as far as 3 miles away. Sometimes I take the bus back, sometimes I just walk back. This changes ...”
“Perhaps it's unfortunate that the problem of ocean acidification wasn't mentioned, while it is mentioned in the linked-to report card. I believe the evidence is that ocean acidification is a extremely serious evil twin to climate change from elevated levels of CO2. Hypothetically, even if CO2 didn't cause warming, acidification alone would be sufficient reason not to put vast quantities of ...”