NAIROBI – For the past half-century, the economics of global health were straightforward. Rich countries gave grants to poor countries,...

EDINBURGH – On January 27, US President Donald Trump’s second withdrawal from the Paris climate agreement will finally take effect....

BOSTON – Last December, while visiting Nairobi for a global health workshop, I met a group of community health workers,...

LONDON – The leaders’ declaration adopted at the end of the recent G20 summit in South Africa reaffirmed the group’s...

LAGOS – As G20 leaders met in Johannesburg last month, they faced a grim reality: many developing-country governments are spending...

WASHINGTON, DC – This year marks a historic milestone: for the first time, global renewable-energy production has surpassed coal. In...

MEXICO CITY/NAIROBI – Even though the world produces enough food to feed all of humanity, the United Nations World Food...

JOHANNESBURG – The world is experiencing a series of political, ecological, social, and economic ruptures. Astonishing levels of wealth concentration...

AUSTIN/JOHANNESBURG – Upon assuming the G20 presidency in December, South Africa chose “solidarity, equality, and sustainability” as its theme. Far...

ABIDJAN/CLERMONT-FERRAND/OXFORD – The value-added tax (VAT) is one of the most widely implemented tax innovations of the past 70 years....