In post-tsunami Japan, a push to rebuild coast in concrete

In the wake of the 2011 tsunami, the Japanese government is forgoing an opportunity to sustainably protect its coastline and is instead building towering concrete seawalls and other defenses that environmentalists say will inflict serious damage on coastal ecosystems.

How mussel farming could help to clean fouled waters

Along the shores of New York Harbor, scientists are investigating whether this ubiquitous bivalve can be grown in urban areas as a way of cleansing coastal waters of sewage, fertilizers, and other pollutants.

Copenhagen’s ambitious push to be carbon neutral by 2025

The Danish capital is moving rapidly toward a zero-carbon future, as it erects wind farms, transforms its citywide heating systems, promotes energy efficiency, and lures more people out of their cars and onto public transportation and bikes.