sustainable development38
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Open House: Earth Institute Undergraduate Programs
Whether you are interested in global poverty alleviation, sustainable development, sustainability management, ecology or environmental policy, Columbia University has a program for you. Attend the Environmental and Sustainable Development Programs Open House from 4-7 p.m. on Monday, Oct. 24, Low Memorial Library, Columbia University (116th & Broadway) to learn more.
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8 Ways to Look at 7 Billion
Interested in learning more about the world’s population? Here are some recent articles about the history, context and implications of 7 billion people living on earth.
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The 7 Billion Challenge
The rapid rise in the world’s population to 7 billion — from 6 billion a dozen years ago — poses enormous challenges. In this video, Earth Institute Director Jeffrey D. Sachs talks about the stresses our population already puts on the planet, and the mission of the institute to promote sustainable development.
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Join a Conversation About 7 Billion People
The world’s population will reach 7 billion this year, and the UN estimates continued growth, primarily in less-developed regions. What will this steep population growth mean for our environmental, economic and social systems? Join the conversation on Oct. 17.
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Community Associations and Sustainable Development in Rural Brazil
After spending two days back in the big city of Fortaleza learning about the finer points of water management in the state of Ceará, I’ve returned to the rural municipality of Milhã, ground zero for the Columbia Water Center’s project to improve water access in Brazil’s semi-arid sertão region. Our group is now just three:…
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Water, Oil, Food – A Crisis for Saudi Arabia and the World
A water crisis is unfolding in Saudi Arabia that could have profound implications for both the Saudi people and for the rest of the world.
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Crossing Sectors, Growing Economies
Coordinating the resources of academia, government, non-profits and the private sector can promote industrial innovation and create jobs; it also can improve education, limit the spread of diseases and increase access to food.
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Western Water Woes – Is Big Infrastructure the Way to Go?
Guest Blog by Michael Clark Pat Mulroy, the general manager of the Southern Nevada Water Authority, spoke on July 20 at a US Chamber of Commerce conference, as part of its Invest in Water Initiative, and proposed a bold idea: build a pipeline to divert Mississippi River flood waters to the West. This, she said,…
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Cooling the Former Frontier: Using Water to Save Energy
AC units have become more efficient over the years, but energy consumption during hot summer months can increase significantly, boosting both the amount of money spent on electricity and the volume of greenhouse gasses emitted in the energy production process.
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
