Climate Change and Sustainability | Bloomberg Cities

Aubrey Burgess

Innovator of the Week

Replicating Denver’s successful air-quality monitoring program

Mayors Challenge Lead

Mayors Challenge

Meet the winning Mayors Challenge cities

Denver Air Quality

Climate Change and Sustainability

How Denver is empowering students to take action on air quality

photo showing the skyline of Helsinki, Finland

Co-creation

What a Helsinki competition can teach all idea-seeking cities

Skyline of Fort Collins, Colorado. Behind the skyline are three boxes: light blue that reads in white text "20 years"; gold box that reads in white text "5o years"; dark blue box that reads in white text "100 years"

Innovation

Fort Collins looks far into the future to be more innovative today

Selection of headshots of speakers at CityLab 2021 summit

CityLab

10 of the top moments from CityLab 2021

Ready-made biochar. Credit: Casper Hedberg.

Mayors Challenge

Solution Spotlight: Turning garden waste into a carbon sink in Stockholm

Four photos from the Mayors Challenge

Mayors Challenge

Infographic: The Mayors Challenge, by the numbers

Child walking down street safely in Bogota, Colombia.

Mayors Challenge

Mayors Challenge impact: A look back at previous winners

Innovation capital

Climate Change and Sustainability

Why the EU’s ‘innovation capital’ is a model for cities worldwide

Electric vehicles

6 city innovations that are powering the rollout of electric vehicles

Big on Biochar

Climate Change and Sustainability

Inspired by Stockholm’s success, a U.S. city goes big on biochar