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In the News

Externalities - A Toxic Disaster in Colorado

Geoff Riley

13th August 2015

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

Geoff Riley

Geoff Riley FRSA has been teaching Economics for over thirty 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 conferences in the UK and overseas.

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