The power of a butterfly’s wing
Location: Nature Energy Midtfyn, Denmark
Date: August 2022
Photographer: Claus Haagensen
Sent by: Nature Energy
Description: • The flap of a butterfly’s wing in Denmark can set off a huge change in the European energy system.
![Claus Haagensen, Nature Energy.](https://www.europeanbiomethaneweek.eu/wp-content/uploads/2024/01/Claus-Haagensen-Nature-Energy-1-scaled.jpg)