An affogato theory of transportation

Coffee and ice cream and jam (or traffic jams).

How UPS navigates a culture of sustainability and innovation

UPS is building partnerships with governments and citizens to help find solutions to environmental and congestion challenges.

4 strategies for equitable, sustainable cities

Ensuring that underserved urban areas can implement environmental projects without resulting in environmental gentrification.

Cities must repave the ‘last mile’ of public transit

We are all pedestrians. So why aren’t cities more walkable?

Cities need sustainable goods delivery plans

Why roadmaps for moving people must be considered alongside future strategies for freight and logistics.

In Barcelona, technology is a means to an end for a smart city

An interview with Francesca Bria, Barcelona’s chief innovation officer.

Atlanta’s model for the future of urban green spaces

The multi-use BeltLine trail system is driving economic, environmental and cultural renewal — while saving the city millions of dollars.

Here’s how cities can go completely renewable

A new handbook offers advice to cities willing to make the leap to join Frankfurt, Vancouver, San Francisco and more than 300 others in the transition to clean energy.

A public-private recipe for sustainable urban development

The private sector is eager to help address the challenges of rapid urbanization. Here’s how the United Nations Global Compact is helping inspire collaboration with cities and community governments.

Here’s why African cities could lead in water innovation

The urgency of the continent’s crisis is inspiring a bold new network of organizations, called AfriAlliance, working on new approaches to conservation and recycling.

What is a city? The SDGs depend on an answer

This month, policymakers are meeting to universally define a “city”, which will help the global sustainability community reach the U.N. global goals.

U.N. seeks to integrate climate into city planning

It’s not only at the national level that the United Nations looks at for governance opportunities.

As urban density increases, so does sharing of pathogens

You may love your neighbors, but do you love their germs, too?

As urban density increases, so does the sharing of pathogens

You may love your neighbors, but do you love their germs, too?

3 ways cities can overcome barriers to energy efficiency

Fixing outdated building codes is just the start of saving energy in urban areas.

These 7 major risks threaten urban sustainability

Many cities are unprepared for the challenges of globalization, undermining long-term sustainability.