Environment & Energy
Innovating an end to food insecurity
Solution Spotlight: Turning garden waste into a carbon sink in Stockholm
Mayors Challenge impact: A look back at previous winners
Why the EU’s ‘innovation capital’ is a model for cities worldwide
Garbage in, insights out: What every city can learn from Durham’s composting prototype
6 city innovations that are powering the rollout of electric vehicles
As Amazon burns, São Paulo pushes sustainable agriculture
Inspired by Stockholm’s success, a U.S. city goes big on biochar
How residents can help cities stand up to extreme weather
How citizen input supercharged three energy-saving ideas
A Conversation with a MasterChef in São Paulo
Stockholm Biochar Project, a Mayors Challenge winner, opens its first plant | Bloomberg Philanthropies