Cities

We need to promote natural “green” infrastructure such as forests, wetlands, and urban green spaces that can reduce risks from natural disasters.
For a more productive, efficient circular economy, an engineering approach to cellular biology could be the key.
And three residential policies can promote economic development, improve health and reduce carbon emissions.
Cities from Atlanta to Los Angeles and beyond are seeing sweeping changes.
Big public works like the Maya Train demand careful planning. But the environmental and social repercussions could be disastrous.
How long homes can maintain the last comfortable temperature during extreme weather can make the difference between life and death.
To make cities attractive for startups and innovation, they need to have better processes for testing technologies and solutions.
Using video, analytics and artificial intelligence to unclog roadways isn't just good for vehicle emissions reductions. These technologies could become the foundation for more efficient and inclusive transit systems.