As global temperatures rise from the burning of fossil fuels, researchers and policymakers have proposed solutions like installing renewable energy, replacing gasoline-powered cars with electric ones, and developing technology to suck carbon out of the air. But these policies often address climate change in isolation — without regard for other pressing issues like a decline in biodiversity, the contamination of freshwater sources, and the pollution of agricultural soils.
A new report released Tuesday by the United Nations’ expert panel on biodiversity makes the case for a different approach based on addressing the “nexus” between two or more out of five essential issue areas: climate change, biodiversity, food, human health, and water. Such an approach is not only more likely to help the world meet various U.N. targets on biodiversity, sustainable development, and climate mitigation; it’s also more cost-effective.
“We have to move decisions and actions beyond single-issue silos,” said Paula Harrison, a professor of land and water modeling at the U.K. Centre ... Read more
