BRT-Lite in Lagos, zero-carbon in Masdar, recycling in Curitiba, and more.
Photographer David Maisel has a knack for capturing the beauty and the horror of contaminated mines and toxic lakes.
Some scholars are calling for a stronger understanding of the "DNA" of cities — and, by extension, an improved ability to address urban problems in a systemic manner.
And you probably can't even smell it.
A visual reminder of where most pollution in our cities comes from.
Gina McCarthy has a strong record on regulating pollutants. But she also gets smart growth.
Critics of London Mayor Boris Johnson's ambitious air pollution plan may be missing the bigger picture.
A ban on outdoor gas heaters from Parisian cafés doesn't look like it will be implemented anytime soon.
How waste heat from large cities may be affecting weather patterns in areas up to 1000 miles away.
They may tend to adopt easier policies first, according to a new report.
Climate adaptation policy remains pretty untested.
We’ll never make much progress by ignoring them.
Freakonomics revives a tried, and tired, debate.
A new modeling system called "Hestia" traces greenhouse gases to individual urban buildings and roads.
New nationwide observatory will track how climate change and land use affect ecosystems.
A third of industrial waste water is released, without treatment, into rivers and lakes.
How much do you know about natural gas drilling? Turns out, it depends a lot on what state you live in.
These before-and-after graphics show just how severe the problem has become.
A new study finds big cross-cultural differences in spatial descriptions.