Has the flight-shaming movement or worries about sustainability impacted the way you travel? Do you have any tips for travelling more sustainably? Let us know.
The Schimmels have fresh milk every day. They also have homemade cheeses, complemented by vegetables from their own garden. They avoid rubbish, and don’t have a car, even though their local train station is far away. But is this a model for everyone?
Ambitious plans are being drawn up in Berlin for what will be the world's biggest roof-farm, growing vegetables on top and breeding fish in tanks inside, in a self-watering and fertilising system.
