The federal administrators and elected leaders overseeing the restoration of the Chesapeake Bay say there are signs that the watershed is getting cleaner. But environmental advocates say the restoration process is falling dangerously behind schedule.
It's easy to forget it sometimes, but the ecosystem in the D.C. region is among the most biologically diverse in the United States. New data will give conservationists a better idea of how to preserve that diversity in the years and decades ahead.
The director of the Smithsonian Migratory Bird Center at the National Zoo shares the latest annual count of birds that are thriving and those in decline, and examines humans' role in both degrading and conserving bird habitats.
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