sustainable development43
-

Denmark’s New Mark: Fossil-free by 2050
Last Monday, October 11th, Columbia University’s Earth Institute and the Consulate General of Denmark co-hosted “The Climate Challenge: Revitalizing the Debate”. The daylong symposium included three panel sessions, in which experts from academia, the private sector, government and non-governmental organizations discussed the effects and implications of global climate change as well as steps –both taken…
-

Peruvians Fight for Their Right to Water
On September 17, one man was killed and 18 others injured when police attempted to break up demonstrators protesting an irrigation project recently approved by the Peruvian government.
-
$3.8 Million Raised for Millennium Cities Initiative
The Earth Institute successfully completed a $1.9 million landmark challenge grant, awarded by the Tides Foundation, to benefit the Millennium Cities Initiative (MCI). Because of the Tides challenge and our generous donors, a total of $3.8 million has been raised to support the project’s work to help targeted mid-sized cities across sub-Saharan Africa promote sustainable…
-

More Ways to Study Sustainable Development Than Ever Before
There are several new courses and educational opportunities open to students this fall: Undergraduate Major in Sustainable Development (NEW MAJOR) Economic and Financial Methods for Sustainable Development (Satyajit Bose) The objective of this course is to introduce students to the skills and methods necessary to understand and evaluate the economic and financial aspects of sustainable…
-

Privatizing Responsibility on Water Use
I would like to say congratulations to the Environmental Protection Agency for it’s recent “We’re for Water” campaign to promote responsible water use (after all, who can argue with low-flow toilets and efficient showerheads?) but I am seriously concerned about the campaign’s underlying message. “We’re for Water” features families competing with each other to see…
-

Global Population Growth and Water Scarcity Q&A
Russell Sticklor with the Wilson Center’s Environmental Change and Security Program in Washington, DC. recently contacted me requesting my thoughts on a number of issues for an article he is writing on global population growth and water scarcity for the magazine, Outdoor America. I thought some of the comments might be interesting to our blog…
-
New Initiative to Fast-Track Development in Dry Areas of East Africa
Ministers from six countries in the region endorse project targeting pastoralist communities
-
The PlayPump: What Went Wrong?
Earlier this week, PBS’s Frontline ran a story about the PlayPump, a technology that was supposed to bring drinking water to thousands of African communities by harnessing the power of children at play. Now dozens of PlayPumps in Mozambique sit idle, and in many villages PlayPumps have been removed, and hand pumps reinstalled.

COP31, the 2026 United Nations Climate Change Conference, aims to advance dialogue, strengthen consensus, and accelerate climate action on a global scale. From November 9–20, 2026 in Antalya, Türkiye, heads of state, ministers, scientists, business leaders, and civil society will gather to advance efforts in emission targets, climate finance, and adaptation and resilience. Once again, our experts, students, and global thought leaders from Columbia Climate School and across Columbia University are contributing to key events, sharing insights, and helping shape the dialogue toward ambitious, science-based solutions. Learn More
