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![Dr. Subir Bhattacharjee in his laboratory at the University of Alberta](https://www.circleofblue.org/wp-content/uploads/2012/04/JCGANTER_Bhattacharjee_MG_4369.jpg)
Q&A: Subir Bhattacharjee on the Geopolitics of Oil and Alberta’s Tar Sands
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Subir Bhattacharjee — a professor of mechanical engineering at the University of Alberta and one of Canada’s top water quality experts — tells Circle of Blue about the water cycle of the tar sands while he attends a high-level conference in Alberta, Canada.
![](https://www.circleofblue.org/wp-content/uploads/2011/02/epa-logo_edited-1.png)
EPA Releases Draft Assessment of Environmental Effects of Biofuels
Preliminary report describes an infant cellulosic biofuels industry with a mandate to grow up fast.
![](https://www.circleofblue.org/wp-content/uploads/2011/01/Azerbaijan-70.jpg)
Water From Afar—Azerbaijan’s Capital Opens 265-km Water Pipeline
The world’s largest high-pressure pipeline made from a glass-plastic composite material.
![](https://www.circleofblue.org/wp-content/uploads/2010/11/cop15550x280.jpg)
Analysis: Despite a Drying and Flooding Planet, Cancun Climate Negotiators Anticipate Scant Progress
Without water as part of the equation, there can be no long-term solution to climate change.
![](https://www.circleofblue.org/wp-content/uploads/2010/11/hydrolic-fracking-1000-1-495x400.jpg)
EPA and Halliburton Skirmish — Promises of Safer Fracking Fluid
After denying EPA disclosure request, Halliburton promises safer fracking fluid and more disclosure.
![](https://www.circleofblue.org/wp-content/uploads/2010/09/tarsands590-1-495x350.jpg)
Infographic: A Closer Look at Tar Sands Oil
185 gallons of water + two tons of soil + 700-1200 cubic feet of natural gas
= one barrel of crude oil.
![](https://www.circleofblue.org/wp-content/uploads/2010/09/10thing-70.jpg)
Infographic: 10 Things You Should Know about Water + Energy
A survey of key water facts behind traditional and alternative energy sources.
![](https://www.circleofblue.org/wp-content/uploads/2010/09/index_06-1-495x400.jpg)
Infographic: North Dakota’s Rise To Domestic Oil Royalty
North Dakota has become the number four oil producing state—but at what cost to its water supply?
![](https://www.circleofblue.org/wp-content/uploads/2010/06/BakkenIMAGE0-1000-495x400.jpg)
Water Demand is Flash Point in Dakota Oil Boom
Production from the Bakken Shale is projected to use up to 5.5 billion gallons of water annually.
![](https://www.circleofblue.org/wp-content/uploads/2010/09/monitoring-well-290-2-495x400.jpg)
Government Warns Against Contaminated Water in Wyoming Town
Freshwater wells deemed unsafe because of hydrocarbons.
![](https://www.circleofblue.org/wp-content/uploads/2010/11/hydrolic-fracking-1000-1-495x400.jpg)
Fracking Regulations Vary Widely from State to State
A look at how states across America are facing deep frack dilemmas.
![](https://www.circleofblue.org/wp-content/uploads/2010/08/MillerOILPIC_6-590-2-495x300.jpg)
California Drought is No Problem for Kern County Oil Producers
Farmers do without water because of oil industry uses.