General201
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Reaching the Millennium Development Goals in the Millennium Villages and Beyond
There are just five years left until the deadline to achieve the Millennium Development Goals, eight ambitious objectives to tackle extreme poverty and its many dimensions and reach a more equitable and sustainable world by 2015. World leaders are gathering this month at the United Nations Summit on the Millennium Development Goals to see that…
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Implementing the Lean Smart Grid
As utilities and suppliers begin the modernization of the electric grid in the United States into the “Smart Grid”, there seem to be two schools of thought circulating across the country. There are those looking forward to the change and those dreading the consequences of the change. Those looking forward to the change are anticipating…
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The Electric Cities of the Future
We all hate getting caught in urban traffic jams; especially those with semi-trailer trucks everywhere. A Computer Aided Lean Management (CALM) approach to traffic congestion in the cities of the world creates win-win solutions to such complex problems. My favorite is to lower the volume of vehicles on the roads by voluntarily moving people to…
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The Pearl of Africa
My cell phone rang in the middle of the night. “Are you in Kampala?” On the other line was my husband informing me that two bombs went off in Uganda’s capital city just several hours before, killing scores of people gathered at public spots to watch the final game of the World Cup. I was…
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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…
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Pricker Bushes, South African Barbeque and New Friends
On Friday, we decided to revisit an area we had already been to. This section covers the contact between the Bushveld rocks (green, colors as seen on the map) and the leptite (purple), granophyre (yellow) and granite (pink) rocks that we are interested in. What the map doesn’t show is topography. Pink granite can be very resistant, meaning it…
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Is There an Ethics of Climate Change? Missing Conversations, New Challenges
(A link to an MP3 audio recording of this event is located towards the middle of the article.) Last spring, the Columbia Climate Center and the M.A. in Climate and Society program co-hosted a discussion panel on climate change and ethics. Ethics is a field of philosophy that can help to resolve contradictory interests, and…
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Rock Hunting Before River Closes In
On Tuesday we drove to the Steelpoort River Valley, about a hundred kilometers away. Work on a new dam and road has begun since we were here last, in 2006 and 2007. Once it’s finished, the dam will flood much of our field area, submerging some of the rocks we are studying. It’s a good thing…
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Climate News Roundup – Week of 8/16
Last week: the U.S. Chamber of Commerce is suing the EPA, massive coral bleaching is recorded off the coast of Indonesia, the range of blue mussels is being limited by rising sea surface temperatures in the Atlantic, and scientists explore the possibility that the Pakistan floods are related to climate change.

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
