What’s wrong in Germany?

What’s wrong in . Apart from everything going wrong, I doubt common sense. On ARD Nacht Radio in early a professor was asked what can be done to lower the climate by 2 degrees. She said that fat people should out, food and above all ride a bicycle. There was no mention of cars or Benzon. that fat people should ride bicycles. And that would lower the climate by 2 degrees. Are you crazy?