Why are Wildfires Bigger and More Frequent Today?

Fires can occur for many reasons, but more often than not they are caused by people. According to a 10-year study published in the Proceedings of the National Academy of Sciences in 2007, 84% of fires firefighters were called to fight were caused by humans. More recently and especially during the summer, when land is so dry and hot something as simple as a lit cigarette flicked out of the window of someone’s car, a downed powerline or a tire rim that scrapes the surface of pavement causing a spark can be the beginnings of a fire. These things may seem small but are actual reported causes of wildfires. 

Fires need three things to proliferate: heat, oxygen, and fuel. High temperatures allow for the fire to spread. It evaporates moisture from the air and plants, making them dry, brittle and quick to catch. 
Read the full article at Ricochet Science