Stern discipline: The US climate envoy walking a fine line

Todd Stern is special envoy for climate change at the US State Department, one of a handful of positions to report directly to John Kerry. Stern has held the role since early 2009, appointed by President Barack Obama at the bidding of Hillary Clinton, who he knew when White House staff secretary to Bill Clinton from 1995-1998. It’s a “gruelling” and “near impossible” job trying to convince the world to take action and keep the US Congress onside, says Nigel Purvis, deputy chief US climate negotiator from 2001-2002.

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