10 threatened U.S. coastlines

America’s 95,000 miles of coastlines are among the most scenic on the planet, from sandy white beaches to lush marshes to rocky cliffs. And yet, our coasts remain threatened. Coastal habitats can be destroyed by development, overfishing, pollution and even the dredging of sea canals.

Can Deepwater Aquaculture Avoid the Pitfalls of Coastal Fish Farms?

Near-shore fish farms have created a host of environmental problems. Now, U.S. aquaculture advocates – backed by mainstream conservation groups – are saying that locating well-run operations out in the ocean could produce sustainable food and protect wild stocks from overfishing.