News & Comment

The world's coral reefs are in decline, threatening the food security of millions of people. Adopting an ecosystem-scale approach that protects deep as well as shallow reefs would deliver several social and economic benefits.

At a time of stagnant international climate negotiations, national legislation on climate continues to progress apace. So what can these policy developments deliver?

A clear European Union policy on shale gas is yet to emerge and opinions remain sharply divided, explains Sonja van Renssen.

Although a policy consensus regarding shale gas is emerging in the United States, arguments about fracking continue unabated in Europe.

Europe should take action to prevent contamination of blood products by emerging infectious diseases as the climate warms.

Obama entered his first presidential term promising action on climate change, but the main climate bill disintegrated. What can be done during his second term?

People's acceptance of global warming can be influenced by many filters.

There are many barriers that must be overcome if South Africa is to control its greenhouse-gas emissions.

South Africa is trying to make its economy greener. But it must work hard to stay on target and tread a fine diplomatic line, writes Anna Petherick.