Some schools got air filters. Others didn't, and a difference in test scores suggests the filters are the reason.
For whom does that bell toll? It is for everyone in Aarhus, and for all of us in our house.
According to a new report cities can resolve most of those emissions by switching to renewables.
“Before you throw something out, think about it,” says Nelson Molina. “Everything can have a home.”
Rwanda's pilot program hopes to advance clean transport.
The C40 knowledge hub seeks to equip city policymakers with the tools to accelerate climate action.