Water67
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National Geographic Water Issue speaks volumes
To celebrate World Water Day this year, the National Geographic Magazine gave us a lovely gift. They produced a Special Issue on Water – one whole 200+ page issue of engaging articles, and of course photographs. Oh, the photographs. If a picture is worth a thousand words, then this issue alone is an Encyclopedia of…
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Water Footprinting – My Water Footprint
As an employee of the Columbia Water Center as well as a student studying Earth and Environmental Engineering (and focusing specifically on water resources), I consider myself a fairly water conscientious person. I take fast showers, turn off the sink when brushing my teeth, and drink primarily tap water to reduce my water footprint. However,…
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Creating a Sustainable Water Future
The concept of sustainable development encompasses not only environmental sustainability, but also economic sustainability, and sociopolitical sustainability. There may be no bigger an issue when taking into account the three aspects of sustainable development than the issue of global water scarcity and the growing gap between water supply and demand. Water is arguably our most…
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LAUNCH Water Sustainability Forum report from Tobias Siegfried
LAUNCH is a new initiative founded by the National Aeronautics and Space Administration (NASA), USAID, US State Dept, and NIKE to identify and support innovative work with great potential to contribute to sustainable solutions for many of the current environmental challenges. The organization will coordinate a series of forums which bring together scientists, academics, policy…
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Studying the Impacts of Climate on High-Altitude Ecosystems
Columbia University researchers Laia Andreu Hayles and Daniel Ruiz Carrascal traveled to Colombia last month to investigate the impact of climate on high-altitude ecosystems in the Andes. Supported by the Lamont-Doherty Earth Observatory Climate Center, Andreu and Ruiz are exploring the potential of several high-altitude tree species to reveal information about past climate variability and…
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A Rogue Water Project
Even today, many Central Asian nations rely on infrastructure that was clumsily implemented by the Soviet Union in the 1970s, and Tajikistan is no exception. In fact, she is the poorest country in Central Asia and has long been quarrelling with Uzbekistan and even Afghanistan over resources and related policies. One such controversial project involves…
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Nitrogen and Wastewater: Kartik Chandran interview Part 2
Part 2 of CWC interview with research scientist Kartik Chandran: Nitrogen in wastewater removal and technology development. “As part of the nitrous oxide research program we are also coming up with process designs that remove nitrogen from both the liquid and gaseous space. Not one against the other. This is actually going into place all…
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World Water Day – Let’s All Pull Together
Today, Monday, March 22 is World Water Day. It’s great to see the heightened attention to water issues, even if just for the day. The Huffington Post is featuring numerous WWD-related articles and in a recent check, “World Water Day” was the 75th most popular Google search. Virtually every WWD article I’ve seen cites similar statistics, which…
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Microbial Drug Resistance: Interview with Kartik Chandran, Part 1
Kartik Chandran, an Assistant Professor at the Columbia University Department of Earth and Environmental Engineering and the Director of CUBES, spoke to CWC about microbial drug resistance and nitrogen in wastewater treatment, and its relationship with climate change.

The first Earth Day in 1970 ignited a movement to stop polluting our planet. This Earth Month, join us in our commitment to realizing a just and sustainable future for our planet. Visit our Earth Day website for ideas, resources, and inspiration.