Hello and welcome to the Intelligence on Economist Radio. I'm your host, Jason Palmer.

Every weekday we provide a fresh perspective on the events shaping your world.

Two big players in the world of climate change and environmentalism recently passed away,

both lead large organizations, both quietly pushed their beliefs into the mainstream, but

they were working at cross-purposes. David Koch, one of the famed Koch brothers,

helped to undermine climate science and ensure that America's Republican Party

absorbed some of the brother's libertarian agenda. Steve Sawyer elevated Greenpeace from a

Ragtag group of vigilantes to a global force of environmental activists. We take a look at their

legacies. But first, there's a spring in the step of France's president, Emmanuel Macron.

Though conflict and theatrics were predicted, the G7 summit he hosted last month came off without a

hitch. He eased President Donald Trump's mind over a French digital services tax and attempted,

at least, to bring Mr. Trump and Iran's president Hassan Rouhani to the negotiating table.

His time on the world stage has allowed him to forget for a moment civil disorder at home,

where the Gilles Zon yellow jackets have haunted Mr. Macron's tenure.

They began as protests against fuel costs blossoming into far wider discontent.

Today, his attention returns to one of his most significant promised reforms,

France's fiendishly complicated and costly pension system. The French hold deer their ability

to retire early on promises of generous pensions. Previous leaders have tried to rein in the system,

sparking widespread protests, and Mr. Macron has seen enough unrest.

When he was elected, Emmanuel Macron promised to sort out France's sort of tentacular,

complicated pension system. Sophie Petter is our Paris bureau chief.

42 different pension regimes to simplify it, to make it transparent, to make it fair for everybody,

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