Guardian: Trillions of brood X cicadas move closer to emergence as soil temperatures rise

https://www.theguardian.com/environment/2021/may/11/trillions-brood-x-cicadas-soil-temperatures?utm_term=193f55f77d36fa22893ed6a09d561e23&utm_campaign=GreenLight&utm_source=esp&utm_medium=Email&CMP=greenlight_email