Ethnolinguistic diversity slows down urban growth

Where various ethnic groups live together, cities grow at a slower rate. That is the conclusion reached by a researcher from the University of Basel and his colleagues based on worldwide data that shows how the diversity ...

Balancing the economy while saving the planet

If you make your bio-product 100% sustainable it may be way too expensive to produce. If you make it less environmentally friendly, you may, at some point, end up having a feasible product that can compete on market terms. ...

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