A look at the rise of Watch Duty, a wildfire alert app that is active in 14 US states and has gained up to 7.2M active users in three years since its launch (Gabrielle Canon/The Guardian)

Gabrielle Canon / The Guardian:
A look at the rise of Watch Duty, a wildfire alert app that is active in 14 US states and has gained up to 7.2M active users in three years since its launch  —  Watch Duty - which began in California and has expanded across 14 states - alerted the public to more than 9,000 wildfires in 2024