Small Gardens Help Protect Species

Many people in Germany have a small garden. Especially on hot summer days the plots with trees and bushes become a natural cooling system - and an oasis of biodiversity. From S. Mayer and K. Kumria.

Gardening, celebrating, chilling: Thousands of Hesse have a small garden. Especially on hot summer days, the plots with trees and bushes turn into a natural cooling system. A scientist demands that the plots should not give way to new buildings.