Desalination of seawater is important in water-scarce countries. For that process, certain charged particles – known as ions – have to be removed from the water.

A global knowledge hub to help you make cities sustainable. Inviting mayors, experts, entrepreneurs, and passionate changemakers to enjoy our curated content free of charge.

Vaccines to contain COVID are a first step towards control of the pandemic. But eventually, we need to have a cure. Covid medicine is coming.

Chinese researches discovered a way to create starch from co2 much more efficiently than plant do. That would potentially save up to 90% of farm land, water, fertiliser and pesticides, they claim.

Richard Heinberg explains why hi-tech fixes can't solve the climate crisis, and only a dramatic change in our way of life can.

The economic damage of climate change could be six times higher by the end of this century than previously estimated.

At the workshop you will get to know the best practises of recovery and sustainability work of the cities of Lahti and Lappeenranta, Grenoble, Lahti and Växjö.

Storing energy as hydrogen is seen by many as a critical part of the energy transition and the road to net-zero emissions.

IPCC reports still underestimate risk for extreme climate events because of downplaying language and choice of calculation methods.