"Before Rachel Carson, there was George Bird Grinnell -- the man whose prophetic vision did nothing less than launch American conservation. George Bird Grinnell, the son of a New York merchant, saw a different future for a nation in the thrall of the Industrial Age. With railroads scarring virgin lands and the formerly vast buffalo herds decimated, the country faced a crossroads: Could it pursue Manifest Destiny without destroying its natural bounty and beauty? The alarm that Grinnell sounded wo