One of Donald Trump's first acts at the start of his second term as US president was to pull his country out of the Paris Agreement on climate change — a move likely to have a more profound impact than when he announced it in 2017 early in his first term.
Trump's abandonment of the Paris Agreement comes as the collective mood for climate action has changed and potentially acts as encouragement for leaders wavering over the need for action.
Professor Mark Howden, Director of the Institute for Climate, Energy & Disaster Solutions at the Australian National University, explains what Trump 2.0 will mean for climate change.