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A carbon tax on investment income could be more fair and quickly make it less profitable to pollute − here's why

  • Written by Jared Starr, Sustainability Scientist, UMass Amherst
A carbon tax on investment income could be more fair and quickly make it less profitable to pollute − here's whyInvestor pressure could drive down greenhouse gas emissions.Tippapatt/iStock/Getty Images Plus

About 10 years ago, a very thick book written by a French economist became a surprising bestseller. It was called “Capital in the 21st Century.” In it, Thomas Piketty traces the history of income and wealth inequality over the past couple of...

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