He has long been an impassioned advocate of the environment, willing to stick his head above the parapet and make clear his concerns about the natural world changing beneath our feet, and in the week most celebrities are dressing up to walk the red carpets of the Grammys or BAFTA’s, Harrison Ford took the platform his fame allows him to Dubai and the World Government Summit to call on world leaders to do better.

“Around the world, elements of leadership — including in my own country — to preserve their stake in the status quo, deny or denigrate science. They are on the wrong side of history.”

“We are faced (with), what I believe, is the greatest moral crisis of our time. That those least responsible for nature’s destruction will suffer the greatest consequences.”