Methane reacts in the atmosphere to form components of fine particulate air pollution, which can penetrate deep into the lungs and increase risk for heart disease and asthma.

The surfer, clad in a mask and backpack, had his phone out to video and capture the dangerous stunt with a sunset background.

Five separate wildfires producing large flames and dangerous smoke, have forced more than 180,000 people to flee their homes and at least 10 people have died, fire officials said. The fires have ...