Weltretter Wurzeln - World saver roots

This is the title of the program WISSEN provided on the 3sat online platform:

https://www.3sat.de/wissen/wissenschaftsdoku/210415-weltretterwurzeln-wido-104.html

Roots make up more than half the mass of a plant and are mostly invisible. Their special powers help to cope with problems of climate change and environmental protection.