Labor Shortage Compounds Federal Firefighters' Staffing Woes

The president announced a nearly 50% pay increase for federal firefighters for the next two years, funded by the bipartisan infrastructure law. This raise acknowledges their efforts in battling wildfires across the country. The president hopes to make this raise permanent, as the upcoming fire season is expected to be challenging due to drought and climate change.

What year was the bipartisan infrastructure law signed?

What factors are contributing to a busy fire season according to the text?