At a Cape Cod beach, a ‘managed retreat’ from erosion

Given the forecast of future sea-level rise over the next century and beyond, every problem that we have along the coast right now will only increase. As sea-level rise advances, the concept of managed retreat is going to become increasingly important in large parts of the country. Managed retreat comes in many forms, in addition to the physical movement of infrastructure.

Mega Dams Remain Controversial Source of Energy

Although mega dams can have devastating impacts on ecosystems and indigenous communities, many of the world’s poorest countries still see them as a way to fill gaping holes in their energy supplies.