Professor Nicholas K. Coch spent decades warning officials that a hurricane could slam into New York City. Superstorm Sandy proved him right -- but it could have been much worse, he says.
With little or no leadership from above, Rob Hopkins, founder of the Transition Towns movement, says change has to start at the street level -- and he's seeing it happen.
The director of the NAACPs climate justice program talks about why the venerable civil rights organization has taken up the cause.
Mohamed Hage is breaking ground in urban ag, feeding cities from a high-tech hydroponic greenhouses on rooftops in Montreal.
Wonder what mischief your car might get into in the hands of strangers? Here are a few cautionary tales.
Rent your car out when you’re not using it -- sounds like easy money, right? It’s not.
What's the secret to the Dane's sunny disposition? Our man on the streets finds out.
With biodiversity on the wane, crows' prospects are inextricably linked with ours. Find out why in this video.
Reporter Linda Marsa investigated the impact of global warming on our health. Cover your mouth: What she found is terrifying.