Q+A: Joe Biden's Earth Day summit – what could it achieve for action on climate change?

By Richard Beardsworth, Professor of International Politics, University of Leeds

To mark the first Earth Day on April 22 1970, the then US president, Richard Nixon, planted a tree on the White House lawn. More than five decades later, a much greater task falls to the current occupant of the Oval Office.

Joe Biden has invited 40 world leaders to take part in a two-day virtual gathering that will commence on April 22. With just over six months before countries meet in Glasgow for the UN’s annual climate summit, Biden will be hoping to tease more…

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