California Governor Gavin Newsom proposed a 15-year extension of California’s cap-and-trade system for greenhouse gases, ...

Sicily’s Mount Etna put on a fiery show Monday, sending a cloud of smoke and ash several kilometers (miles) into the air, but ...

A sweeping cold front across Ontario Monday through Wednesday brings the risk of thunderstorms as it tracks through. But with the presence of smoke, can storms initiate, and how strong could they get.