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Sustainability

Sedatives turn fish into unsociable gluttons

Drug residues in the waterways can have unexpected consequences for our ecosystems, say Swedish researchers after exposing perch to anti-anxiety drugs.

Turning toxic vegetable refuse into nutritious animal feed

New research makes it possible to remove growth-inhibiting natural toxins from protein-rich waste products.

Getting Arctic raw materials requires a gentle hand

We must be very careful if we want to preserve the Arctic region’s special natural environment and culture while ensuring that the coming raw materials boom doesn’t turn into a disaster.

Oilfields have reduced their methane emissions

Capturing methane-rich natural gas from oilfields has helped ensure that emissions of methane have been far lower than expected, a new study shows.

A cup of coffee with biodiversity and clean drinking water, please

OPINION: Sales of clean water, CO2 credits and the protection of biodiversity can benefit the environment and provide an extra income for farmers who grow coffee under the shade of trees.

Magnetic screw helps capture energy from waves

Wave energy is known for its great potential, but so far no-one has found the right way to exploit the movements of waves. Three newly qualified engineers have come up with a great suggestion

Tropical tree extract can clean drinking water

A new extract can prevent parasites from entering a person’s intestines. This is an easy and cheap solution to a widespread problem – it can help over a billion people who have worms in their intestines.

Calculating the environmental footprint of governments

If you want to be a good global citizen, there are many tools that you can use to understand just how big your footprint is. But the impact of governmental policies on the environment is an infinitely more difficult calculation to make.

Bad news for greedy fishermen

New research in fish genetics makes it possible to determine the exact origin of any particular fish. This could make life difficult for fishermen who cannot stay away from endangered species.

Your sustainable lifestyle could strain distant countries

Urban sustainability usually only has a local effect – and attempts at making cities sustainable could actually have negative effects on distant countries. New study sheds light on the hidden pitfalls.