Human Health

Plastic pollution remains one of the world’s most challenging environmental problems. Plastic pollution has been found everywhere on Earth, from the highest mountain peaks to the deepest parts of the ocean. And scientists are finding that plastic is also moving through the air we breathe.

We are all aware of the dangers of second-hand smoke. It is why smoking is not allowed in almost all public spaces. But a new study has revealed a persistent and evolving threat to indoor air quality known as third-hand smoke.

In healthy ecosystems, mosquitoes feed on a wide range of animals, including birds, amphibians, and mammals. But when those ecosystems lose species, mosquitoes are left with fewer choices. New research suggests that in some places where biodiversity is shrinking, humans are becoming the preferred target.