Borrowing tools from a shop or from neighbors — the sharing economy is well-established in Berlin. As well as helping borrowers save money, it saves resources and helps to protect the environment, too.

Cruising along the highway... and suddenly your electric car's battery is out of juice. Recharging it will... take a while. But what happens at a charging station may be more exciting than you think!

"Reduce your carbon footprint!" Does that sound familiar? At the moment, it seems as if people never stop telling us that — even the biggest culprits: fossil fuel companies! Crazy, right? So, how guilty should you feel about your individual emissions?

How do you eat soup? Do you really have to follow all the rules of etiquette? After all, soup tastes best out of the pot. What should you do with a cloth napkin? Krieger explains table manners.

The world's population is exploding, big cities are growing and arable land is scarce. Why not use high-rises as fields stacked on top of each other -- and LED lights instead of sunlight? A bright opportunity for traditional light manufacturers.

When people began to grow seeds 13,000 years ago, they settled down, formed cities and states. That’s when agriculture became an industry. Today, the controversial seed trade is in the hands of a few corporations.

Organic farmer Christof Briegel has around a hundred cows. But he wants to work less than his parents. That’s only possible with high-tech: computer chips, milking robots and automated gates. Still, everything’s organic.

More than $300 billion flowed into "sustainable" assets in 2020. But investing "green" is harder than it sounds. "Greenwashing," misleading marketing and a lack of global regulation make this booming market a minefield for investors.

Many customers expect companies to have an appealing social media presence: informative, light-hearted and accessible - with the right stance on social issues. Online mishaps can have devastating consequences for a firm's image and future business.

Boundless luxury, private ownership, free trade. For many people, these are the definition of capitalism. Critics see it as a predatory system. But how does capitalism work?