The Signal: In 2021, investment in climate tech rose ~75% YoY, from $15.3B to $26.7B. The number of weather-related disasters occurring globally has increased by 500% since 1971. 

Scientists warn that record-breaking heat waves will be more likely, wildfire seasons will be longer, hurricanes will be more intense, and flooding will be more frequent.  

As these changes play out, extreme-weather-related solutions are drawing VC interest: