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Teaching Economics

In the News

Externalities - A Toxic Disaster in Colorado

Geoff Riley

13th August 2015

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This Channel 4 news video provides a graphic picture of how toxic emissions can turn a once clear river into a sea of yellow.

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Geoff Riley

Geoff Riley FRSA has been teaching Economics for nearly forty years. He has over twenty years experience as Head of Economics at leading schools. He writes extensively and is a contributor and presenter on CPD and Revision conferences in the UK and overseas.

@tutor2uGeoff

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