Energy41
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One Planet, Too Many People?
Can we manage the needs of 9 billion people for water, food and energy without depleting our resources and ruining the environment? “The solutions,” says Tim Fox, “are all within the capability of existing technology.”
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Indian Point: Safe, Secure and Vital or an Unacceptable Risk?
The owners of Indian Point nuclear power plant want to re-license the facility for 20 years. Opponents say the plant is unsafe and we can do without its electricity. Supporters say it’s safe, and we need the power.
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Putting Wind in Trade’s Sails
International maritime trade represents a unique example of global cooperation. With the help of a growing number of renewable energy technologies, the global community can work towards progress in this limited area and use it as a model for addressing emissions in other areas of the global economy.
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Fixing Climate: Beyond Carbon Dioxide
Climate scientists at a meeting of the American Association for the Advancement of Science this week were elated to hear that the United States and five other countries had agreed to work toward cutting pollutants other than carbon dioxide thought to cause about a third of current human-influenced global warming. After all, many of them…
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Energy Efficiency: A Great (But Dull) Way to Save
Cutting energy use in a home or small business can save consumers plenty of money, so how come more private citizens aren’t doing it? Speakers at an Earth Institute-sponsored panel said in part it’s because the information people need is not accessible enough.
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U.S., 5 Nations to Cut Methane, Soot Emissions
The United States and five other countries agreed this week to fund an effort to cut emissions of methane, soot and other pollutants to start to slow the rate of human-induced climate change.
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Power Play: an Energy Map of New York City
A new interactive, color-coded map created by a team at Columbia’s engineering school allows viewers to pinpoint and compare estimated energy usage, building lot by building lot, throughout New York City.
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Opening the Door to More Rooftop Farming?
The NYC Department of City Planning has proposed new zoning rules to make it easier to retrofit buildings for energy efficiency – including a provision on rooftop greenhouses.
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Climate News Roundup: Week of 2/2
NASA: Global warming caused mostly by humans USA Today, 1/31 The space agency published new calculations showing that the Earth absorbed more energy from the sun than it returned to space despite the low solar activity from 2005 to 2010. Availability of better measurements of ocean temperatures helped the research team improve their estimates of…

Congratulations to our Columbia Climate School Class of 2026 and all of our 2026 Columbia University graduates! Learn more about our May 15 Climate School Class Day celebration. 💙 #Columbia2026 #ColumbiaClimate2026
