City Stories
A key challenge in this new Human Age is to lessen the ecological footprint of the world’s cities, even as their populations expand. The Anthropocene tells the stories about resilient urban coastal infrastructure, low carbon transportation systems, and nature-inspired architectural designs.
To make carbon taxes fairer and more effective, give people free green services rather than cash
A well designed carbon tax could reduce carbon emissions and poverty at the same time; A new study shows how.
Greening the last mile of e-commerce
Could hubs, nudges, and EV night deliveries crack this surprisingly tough puzzle?
The Future Will Not Be Dry
In a world of melting ice caps, storm surges, and tropical cyclones, the most resilient cities aren’t the ones that fight the water back—but the ones that absorb it.
How much can planting trees offset a city’s emissions?
Researchers measured the potential of 1000s of cities to offset their carbon emissions by reforesting. Prospects are greatest in smaller cities and in the Global South
Barcelona-style “superblocks” could make a surprising number of cities greener and less car-centric
Identify a handful of adjacent city blocks, restrict traffic to the perimeter, and make the interior for walking, biking, and green space. A new study finds it could work even in cities with an irregular street grid.
Plastic bag bans and fees can have unintended consequences
Deprived of a source of free garbage bags, people simply buy them.
The Race to Reinvent Cement
The material that built the modern world is due for an upgrade. What if we could transform cement from a climate wrecker
into a carbon sponge?
This Is Roquette Science
How computerized arugula (aka roquette) farms take over the world
The Circular Economy Made Real
In more and more pockets of the industrial landscape, the byproducts of one process are becoming the raw materials for another, trash is getting a useful second life, and waste is becoming a thing of the past.
The hidden climate impact of micromobility services
A new study shows that rented e-scooters and e-bikes replace walking and public transit trips, increasing the climate impact of getting around the city