A pop-up Sustain What conversation with a sustainability-focused entrepreneur building a plastic trash-to-resource business across eastern Indonesia.

The longer we can extend the lifetimes of consumer products, the better off our planet will be.

To implement a true circular economy, we need to systematically and automatically reuse most of the material placed in our trash bags.

Columbia Climate School and Barnard College team up to celebrate the power of smart design, reuse, and repair, to build sustainability on campus and beyond.

Sandra Goldmark discusses an upcoming Climate Week NYC event on the power of a new approach to consumption as a collective climate response.

We need to focus less on dramatic gestures and symbols demonstrating commitment and more on operational reality if we are to truly speed the transition and reduce long-term, irreversible damage to the planet.

The construction of waste management and material mining facilities is essential for the development of a circular economy, and the evolution toward a circular economy is a prerequisite for sustainable cities.

Economic modernization is how we can and hopefully will build an American political consensus behind environmental sustainability.

Without recycling, there can be no circular economy. Without a circular economy, we cannot build environmentally sustainable cities. Without sustainable cities, we’d better start looking for another planet.

As the world re-opens, it’s a good time to take stock of the implications of how we dress.