(11/08/10) There was a time not so long ago when nature writers shaped the national debate.
Books and articles by authors like Rachel Carson and Bob Marshall helped build popular support for conservation, environmental laws, and creation of the national parks.
But in the age of oil spills and climate change, some of the country's top nature writers wonder whether their work can still make a difference.
Brian Mann attended a conference of writers earlier this month and has our story.
