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Klaus Töpfer

Klaus Töpfer

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Klaus Töpfer, former Executive Director at the United Nations Environment Programme, former Under-Secretary-General of the United Nations, and a former German environment minister, is Executive Director at the Institute for Advanced Sustainability Studies in Potsdam and Council Chair at Agora Energiewende.

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  1. The Solar Price Revolution
    Solar panel parking garage JN Stuart/Flickr

    The Solar Price Revolution

    Apr 3, 2015 Klaus Töpfer highlights the potential of falling renewable-energy costs to transform production and consumption.

  1. jlin1_Song WeixingVCG via Getty Images_solar panels china Song Weixing/VCG via Getty Images
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    Unleashing Solar Power’s Bright Future

    Fatih Birol & Ajay Mathur see the rapid growth of solar power as a promising sign of what is possible in the fight against climate change.
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    Anders Åslund on the Trump threat, Ukrainian security, Putin's survival, and more

    Anders Åslund considers what the US presidential election will mean for Ukraine, says that only a humiliating loss in the war could threaten Vladimir Putin’s position, urges the EU to take additional steps to ensure a rapid and successful Ukrainian accession, and more.
  3. haldar39_Atila AltuntasAnadolu via Getty Images_nobel prize Atila Altuntas/Anadolu via Getty Images
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    Why Do Countries Prosper?

    Antara Haldar considers what this year’s Nobel Prize-winning economic research gets right, and what it overlooks.
  4. buchholz20_Mario TamaGetty Images_us manufacturing Mario Tama/Getty Images
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    Made in America 2.0

    Todd G. Buchholz & Michael Mindlin foresee the US weathering the coming trade storm, thanks to its energy resources and innovation centers.
  5. mueller55_Maja HitijGetty Images_bsw Maja Hitij/Getty Images
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    When the Left Goes Far Right

    Jan-Werner Mueller considers what drives some politicians to reverse their political allegiances.
  6. meng2_KalawinGetty Images_climatefinance Kalawin/Getty Images
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    The Right Climate Finance for Developing Economies

    Hippolyte Fofack urges the Global North to focus on vulnerable countries’ need to invest in adaptation-related infrastructure.
  7. constantin2_Paul RatjeThe Washington Post via Getty Images_abortion pills Paul Ratje/The Washington Post via Getty Images
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    Self-Managed Abortion Saves Lives

    Andrés Constantin & Katherine Mayall urge policymakers to remove the barriers preventing women from terminating unwanted pregnancies on their own.
  8. johnson180_JIM WATSONAFP via Getty Images_kamala harris JIM WATSON/AFP via Getty Images
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    Only Harris Will Deliver Shared Prosperity

    Simon Johnson says that Donald Trump’s discredited protectionism would benefit the few at the expense of the many.
  9. roubini191_JOHN WESSELSAFP via Getty Images_israelmissiles John Wessels/AFP via Getty Images
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    Israel and Iran Are Likely to Escalate

    Nouriel Roubini rejects the widespread view that the conflict will be contained after the latest exchange of attacks.

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