For the past two years, the German chapter of the World Fund for Nature (WWF) has organized a project called “2° Campus” or "Two degrees Celsius Campus." It’s targeted at young students in Germany between the ages of 15 and 19.

Everyone talks about sustainability. But what's it like to actually study the subject at university? And indeed, what does a university that teaches sustainable development look and feel like? Our reporter Laura Hennemann went to have a look at an unusual institution near Berlin.

We've all heard about how cows and other grass-eating cattle release methane, a powerful greenhouse gas (GHG), when they belch and fart. The United Nations has suggested in the past that the environmental impact of cattle might be even more damaging than the emissions of cars and trucks combined.