
What’s the best way for cities to become more sustainable? For Thomas Abdallah of MTA New York City Transit, the answer is mass transit.

The planet we share has become fragile in the hands of humans and our technology. We can and must develop and adopt sustainability management to gain control of those technologies and reduce their impact on our planet.

Coastal communities in Sierra Leone face threats from climate change, overfishing, and erosion. A new vulnerability assessment helps to pinpoint solutions.

The Global Famine was one of the worst humanitarian disasters in history, killing as many people as World War II. A new analysis suggests it could happen again, only worse because of climate change.

The report shows that every degree of warming matters for livelihoods in most communities.

The Columbia Center on Sustainable Investment’s annual training session will be held at Columbia University in New York City in June 2019. Applications are now open, and will be assessed on a rolling basis.

We have nearly all the tools we need to avoid a climate catastrophe—we just need to start using them, and fast.

At U.N. events in September, the Nobel Peace laureate called for a broader understanding of peace and security, and better inclusion of women in decision-making.