China’s GDP Growth Has Steep Coastal Costs

A new study by a team of Chinese and American conservation biologists quantifies the serious consequences of China’s recent economic growth on its coastal ecosystems.
Oxygen-Deprived Dead Zones: Q & A

There are more than 400 known dead zones worldwide, covering about 1 percent of the area along the continental shelves. That number is almost certainly a vast undercount, however, since researchers have yet to adequately study large parts of Africa, South America and Asia.