For some an urban utopia, for others a great opportunity to make metropolises more liveable in the long term. A look at the concept of the "15-minute city".

The "Haus des Papiers" museum in Berlin sees itself as a bridge between art, research and industry. It connects stakeholders in order to sustainably reinvent paper as a material and brings innovations to life for society.

The race to Mars is in full swing, and a solution to the waste and resource problem is a key aspect. Research into this is in full swing. Humanity's greatest adventure may thus become its greatest opportunity: for a future without waste - on Mars and on Earth.

Buying seasonally and regionally can be a real benefit - for the environment, for your wallet and, above all, for your taste buds. For your next shopping trip, make a resolution to buy just one seasonal item. You will taste the difference.