Alexandria Ocasio-Cortez tells climate marchers to be ‘too big and too radical to ignore’ – live

Demonstration falls days before the United Nations climate ambition summit, at which Joe Biden is expected to be a no-show

Actor and climate activist Susan Sarandon opened her speech by congratulating the students of New York University on the news of their university divesting from fossil fuels after years of pressure, as the Guardian first reported last week.

Addressing the crowd, she said, You guys give me hope," adding: What we have to do is take responsibility and press those that are at the top to finally step up."