Experts say climate change is increasing the risk and extent of wildfires in California and other parts of the world. Back in 2020, the blazes burned more than 4 million acres of land and destroyed more than 8,400 homes in the US. But firefighting can be a tough market for tech entrepreneurs, and investors don’t see cash-strapped fire departments as a lucrative market. However, here are 4 innovative tech innovations helping fight wildfires in California.