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

If global warming surpasses 1.5°C, vast regions could lose critical crop diversity, heightening the risk to worldwide food security.

Faced with extreme drought, these wildflowers adapted. Scientists call it "evolutionary rescue" and say it's a hopeful sign for humanity.

Cassava could thrive across more of Africa as the climate warms, but a deadly disease carried by whiteflies may spread faster, threatening the nutritious crop.