Climate change Deep green sea? The oceans are changing colour More than half of the world's oceans surface waters have changed colour over the past two decades. Future The scientists hunting giant rivers in the sky Atmospheric river storms have wreaked havoc on the West Coast, and are getting bigger. These scientists chase them in the sky to predict where they will strike. Future What record ocean temperatures mean for our planet The world's oceans may be warming faster than expected and the impacts will be felt from polar ice shelves to many of the world's coastal cities. Future Is 'tornado alley' migrating? It's that time of year when tornado alley swings into action. But is it moving? Future How a village in the Himalayas was entirely relocated As the river dried up, life in Samdzong became impossible. So the locals built a new village from scratch. Climate Change These tricks make wind farms more bird-friendly Wind turbines can pose a deadly risk to migrating birds, but there are ways to dramatically reduce crashes. Future Is China sinking under its concrete boom? Why China's concrete addition is costing the Earth. Future The ski resorts saving snow As global warming is threatening ski holidays, some resorts are reviving an ancient trick: saving snow over the summer Future Why there are more climate lawsuits than ever Governments, fossil fuel firms and airlines are increasingly becoming embroiled in climate litigation. Isabella Kaminski analyses what difference this legal action is making. Future