Innovations Report: Researchers in Denmark have shown that unless human-induced greenhouse-gas emissions are substantially reduced, large areas of the world’s oceans will become oxygen depleted and hostile to fish and shellfish. The study is published in the journal Nature Geoscience. The scientists used a computer model developed at the Danish Centre for Earth System Science (DCESS) that analyses global changes extending 100,000 years into the future. The DCESS model includes atmosphere, ocean, …