Quail hunting by wealthy landowners has had remarkable environmental benefits in northern Florida.
Deep in the heart of Texas one of America's leading technology firms is just putting the final touches on one of the nation's greenest buildings.
In the heart of Cambodia is the most important waterbird zone in mainland Southeast Asia. At Prek Toal, just-hatched chicks peep in deafening high tones, while larger birds take off, land, and perform mid-air acrobatics.
When the elevator stops on the top floor of some of the world’s newest downtown skyscrapers, the occupants may be in for a surprise. Before them may be a field of waving native grasses and a stunning display of wildflowers.