Why it matters
Heatwaves endanger health, strain power grids and raise wildfire risk.
Heatwave in the news
More Environment terms
Environment
Wildfire
An uncontrolled fire spreading through vegetation such as forests, grassland or bush.
GlossaryEnvironment
Heatwave
A period of unusually hot weather for the time of year, lasting several days or longer.
Also called heatwavesheat wave