Due to smoke from wildfires, several U.S. cities had an AQI over 100 on Aug. 5, which means the air is unhealthy for ...

Tick bites hit highest levels since 2017 as Lyme disease cases rise due to climate change and expanding tick habitats. Learn ...

Forestry experts say that while wildfires in the U.S. typically start from the effects of drought, the Canadian fires are mostly driven by climate change.