Working four days a week for a full salary is an attractive idea. Could it offer companies and workers more flexibility? Some countries have had it for a while — now it's being tested in Germany.

The worldwide spice trade has a volume of some $130 billion. Demand for ever more exotic spices is rising. Estimates suggest that the spice industry will grow by 37% this year over last year. We visit a spice trader in Hamburg.

Sweden is becoming one of the EU’s key suppliers of natural resources. And without copper, there’s no high tech, no battery or environmental technology. We joined the driver of a giant truck in one of Europe’s biggest copper mines.

Rent prices have exploded in Lisbon, where many residents have been driven to the outskirts of the city. Housing in the city center has been overrun by rich techies and tourists. Now the government is taking action.

Batik is an ancient practice that's traditionally done by hand and is very time consuming. Now, batik machines could be an innovative solution for the craft in Indonesia. They might cut costs, but will they kill jobs?

The Berlin startup Aitme developed a cooking robot for use in restaurants. Could this potentially resolve the worker shortage issue? What do guests, cooks and restaurant owners think about this innovation?

Clean energy from re-growing resources and waste. Biomass sounds like a perfect alternative power source. But what does it mean if we use organic matter for fuel or electricity?

Barcelona has become the first city in Europe to issue a levy on online delivery companies. The so-called 'Amazon tax' hopes to encourage consumers out of their homes and into local shops. A model for other cities to follow?

Indonesia is regularly devastated by floods, and they're getting worse as global heating goes on. A new e-scooter is aimed at helping the 76 million residents living in flood-prone areas stay mobile when the waters surge.

Solar energy is crucial for achieving an emissions-free future. But where's best to put photovoltaic panels when they take up so much space?