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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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  4. subacchi35_STANLEY ESTRADAAFP via Getty Images_bitcoin el salvador STANLEY ESTRADA/AFP via Getty Images

    In Bitcoin We Trust?

    Paola Subacchi

    Coordinated cross-border policies are needed to ensure that cryptocurrencies don’t do more harm than good in developing countries. Unless both the public and private sectors embrace critical reforms, people and governments will increasingly be attracted by low-cost, high-risk, and murky alternatives to traditional banking.

     questions the wisdom of El Salvador’s recent decision to adopt the cryptocurrency as legal tender.
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  6. Brexit hat flag Jonathan Brady/PA Images via Getty Images

    Brexit Turns Five

    The United Kingdom’s vote in a referendum on June 23, 2016, to leave the European Union delivered a sharp populist shock to the political establishment there and throughout the West. Five years on, the consequences of that decision, for both the UK and EU, are coming more sharply into focus.

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