Professor Greening added that the discovery could benefit both climate and human health. “In addition to being a climate-active gas, carbon monoxide is also a toxic air pollutant,” he said. “Tree ...

The melaleuca, a water-guzzling tree that scientists call the "ecological terminator of the Everglades," has been officially dubbed a noxious weed by the U.S. Agriculture Department (USDA). "It's a ...