Water51
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Seawater Greenhouses Produce Tomatoes in the Desert
With the global population increasing by 80 million each year, a third of the planet will likely face water shortages by 2025. This looming water crisis is inextricably linked to food production…
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Floods in Eastern Sri Lanka and North-Eastern Australia: Contrasts in Disaster Risk Management
Due to the ongoing floods in Sri Lanka, more than a million people are affected, 185,000 were displaced and 16 had died by February 5, 2011. The impact has been most severe on Eastern Sri Lanka a “Disaster Hazard and Vulnerability Hotspot”. The purpose of this post is to publicize information resources to help target…
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Wild Oysters Deemed ‘Functionally Extinct’
A recent Valentine’s Day-inspired article in the Grist pointed out that oysters are the only delicacy that enhances The Mood and water quality. Don’t get too excited, though: a new study published this week in BioScience revealed that oysters are “functionally extinct” in many parts of the world where they were once abundant, and nothing…
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Recruiting Tiny Organisms to Detect Water Pollution
Climate change has huge implications for water pollution, so with increasing climate change effects and the concern that many regions on the planet are approaching peak water, timely water pollution detection is critical.
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A New Look at Global Water Scarcity from Columbia Water Center
Columbia Water Center is committed to sharing and disseminating the knowledge from research and development projects we have completed and are currently working on. We aim to create a collaborative environment in which progress towards understanding and addressing the increasing demands and scarcity of freshwater can be made in the 21st century. To help visualize…
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Finding Answers to the Worsening Water Crisis in Gujarat, India
As explained in a recent blog post, falling groundwater levels in the Northern regions of the state of Gujarat, India, are reaching dramatically dangerous proportions. Columbia Water Center (CWC), however, believes that there are numerous technologies and practices that could save significant amounts of water and energy. Farmers have shown interest in applying them, but…
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In the Arctic More Than Elsewhere, Things Are Heating Up
According to a new international study, water flowing into the Arctic Ocean from the North Atlantic is the warmest it has been in the past 2,000 years.
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Solving Urbanization Challenges by Design – The Science of Green Roofs (part 2)
Patricia J. Culligan is a professor of civil engineering and engineering mechanics at Columbia University and the Vice Dean of Academic Affairs for Columbia Engineering. In part two of this interview she talks about the challenge of quantifying the economic benefits of green roofs, the potential for rooftop agriculture, and what it means to “solve…
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Solving Urbanization Challenges by Design – The Science of Green Roofs
Patricia J. Culligan, professor of civil engineering and engineering mechanics, discusses her work with the Columbia University Green Roof Consortium to quantify the benefits of green roofs.

By studying thousands of buildings and analyzing their electricity use, Columbia Climate School Dean Alexis Abramson has been able to uncover ways to significantly cut energy consumption and emissions. Watch the Video: “Engineering a Cooler Future Through Smarter Buildings“
