In the past, coronaviruses that circulated in humans caused only mild infections. This changed in 2002, when the SARS-CoV virus presented itself in humans as the disease we now know as SARS....

Waste plastic is choking the Earth’s oceans and poisoning its wildlife. That’s why researchers at Purdue University are excited about a new chemical technique that turns waste plastic back into useful polymers...

Cities around the world are pledging to reduce waste over the next 12 years in an effort to curb global warming and eventually become zero-waste cities. During the Global Climate Action Summit,...