A more integrated approach to managing the Lower Mekong River Basin could set an example for future river projects, say R. Edward Grumbine and Jianchu Xu.

If aquaculture is to help feed Africa's urbanising populations, we must support small and medium enterprises, says Malcolm Beveridge.

A comprehensive and interconnected global strategy is needed to ensure sustainable food security, say H. Charles J. Godfray and colleagues.

Global discussions on how to adapt to climate change must include fisheries, say Nicholas Dulvy and Edward Allison.

A legal framework is needed to ensure the best use of fisheries, along with aid for developing countries, say Tony Pitcher and colleagues.

Countries like Namibia cannot ignore the environment's contribution to national wealth in the face of climate change, says James MacGregor.

Sustainable governance in the Gulf of Mexico calls for joint action by Cuba, Mexico and the United States, argues Jorge Brenner.

John Marra says the marine research agenda needs to focus on making fish farming a sustainable alternative to overfishing.