US midwest

A woman wearing a purple scarf stands in a field holding maize stems

World hunger is on the rise again, and climate change is a culprit

Some 821 million people now face food insecurity, raising numbers to the same level as almost a decade ago. The situation is worsening in South America, Central Asia and most regions of Africa, according to the UN’s annual food security report. A resurgence in the use of “cover crop” and nanotechnologies may mitigate climate change impacts.

Homer City plant

US coal plants are preparing to comply with new EPA rules

Environment