12K views · 88 reactions | World leaders have postponed a major annual meeting to take action on the climate crisis by one year. Young people say we can't wait, so they're doing it themselves. | Channel 4 News | Facebook

17K views · 24 reactions | "I don't think climate change affects anything. It's how mother nature brings climate to us." Welcome to Las Vegas, the fastest warming city in the US, where a group of sceptics are questioning whether climate change is really as bad as the scientists say. Our Washington Correspondent, Siobhan Kennedy challenges their world view. | Channel 4 News | Facebook

53K views · 1K reactions | "I know that in a contest between us and the oceans eventually the oceans will win one way or the other. It's us that has to adapt, not the other way around." President Obama warns of the catastrophic effects of climate change at the Ocean Conference. | Channel 4 News | Facebook