California firefighters battle huge blazes amid heatwave and dry conditions

Footage from Santa Ynez valley shows a huge fire developing in the mountains and a destroyed home in Mariposa county. The heatwave is expected to further dry out landscapes, adding to the threat of an active wildfire season in the months ahead

The world on fire

 Enormous fires are destroying forests and communities around the world. Each year, 350 million hectares of forest go up in smoke, the equivalent of six times the size of France. Is there any way to stop it?