A persistent pest from China chomping on American trees spotlights the economic and aesthetic damage that foreign species may cause in new environments.
The death spiral for global fish that has been reported with glum glee by the media can be reversed, according to a blue-ribbon panel of marine scientists.
A cargo ship that generates some of its power from the sun may shine a light on ways to reduce transportation's dirty little secret — the world's oil-powered fleets are hideous global warmers.
Farm biodiversity is disappearing. If we would just eat endangered crops and livestock now, restoring their role in the food supply, we could save them from extinction.