French tech firm Schneider Electric tops global league of green firms

Paris-based company worth 70bn now seen as world's most sustainable company on Global 100 index

A Paris-based tech company has seen off competition from the world's best-known green businesses to be named the most sustainable corporation on the planet.

Schneider Electric has climbed the annual Global 100 index, from a ranking of 29 last year, offering the technology and energy solutions needed by the likes of retailer Walmart, hotel group Marriott and steel business ArcelorMittal to meet their climate targets.