For Earth Day, The Associated Press asked environmental scientists and policy experts to share their top stories about environmental problems that the world fixed. With climate change, plastic ...

Cleaner air may do more than protect health - it could also improve crop growth and increase the food supply for millions by ...

The fight against climate change could unintentionally make global hunger worse. But a new international study suggests that ...

Q What's wrong with having an ozone air cleaner in our home? We have one and visitors told us it's dangerous. Is it? A Yes. Health experts do not recommend the use of ozone air cleaners in homes.

With climate change, plastic pollution and a potential sixth mass extinction, humanity has made some incredible messes in the world. But when people, political factions and nations have pulled ...

With climate change, plastic pollution and a potential sixth mass extinction looming, humanity has made some incredible messes in the world. But when people, political factions and nations have pulled ...