Also In This Week’s Radio Show (November 20, 2009):

The full show

Carbon Saturated Ocean – The world’s oceans absorb one quarter of all our carbon dioxide emissions. New research suggests that this absorbtion is slowing down, as they become saturated with carbon.

Art of Synthetic Biology – A team of artists and designers gets their hands "wet" trying to genetically engineer bacteria that smells of rain for a synthetic biology competition.

Slow City – With no fast food restaurants or big box stores, the bicycle and pedestrian friendly Cowichan Bay has become North America's first Citta Slow - Slow City.

Big City, Big Impact – Big cities can make big strides to protect the environment. Mexico City Mayor Marcelo Ebrard recently won a prize for his city’s very efficient public transportation, and he has ambitious plans for cities in general to lead the way to a green future.

Harnessing the Severn – A 10 mile concrete barrier proposal across the estuary of United Kingdom’s longest river is making waves. Proponents say it will bring clean, reliable, renewable energy to fight climate change. Critics charge it will irrevocably change the iconic River Severn and its ecosystem.

The Language of Landscape – In our continuing series “Home Ground: Language for an American Landscape,” we explore the term choke point.

Wild Turkey – Don't get too close - there's no messing with the tough wild turkey, says Salt Marsh Diary writer Mark Lender.

Earthear