Sources of urban heat below ground, like trains and pipes, are causing land deformation and subsidence that can threaten Chicago's buildings.
The Sun-Ways installation relies on a train that rolls out a stream of solar panels to deliver renewable energy from between the rails.
School streets and play streets are also an important implication the new civic activities.
As Europe considers France's controversial ban on short flights, a new study from Germany details the potential positives and pitfalls.
Changes being made locally can improve the health of communities, which sends a powerful message.
With climate commitments temporarily on the backburner, expanding sustainable and affordable transport options will be crucial in tempering high fuel costs while accelerating the green transition.