Why we need a moratorium on eel fishing

All 19 species of Anguillid eels migrate from the sea, where they are born, to the freshwater systems in which they grow. After a period of up to 20 years, they reach maturity and return to the sea to breed and die.

What factors influence our decision to stay or move?

What makes a dwelling a place we want to call home? And why do we find it so hard to move, even when downsizing is the logical choice? To answer to these questions, a team of EPFL scientists surveyed 968 tenants in Switzerland.

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