Tidal power: What’s holding it back?

Huge wildfires have been sweeping across Southern Europe and North America. Is climate change increasing the risk? And what can we do? Weather experts say the world is starting to see new types of wildfire – including enormous Pyrocumulonimbus fire clouds that spit lightning and ...  Show more

Graihagh Jackson talks to mothers from India, Kenya and the UK about how climate change is affecting women's decisions about whether to have children and how to raise them.Her guests are Bhavreen Kandhari, a clean air campaigner from Delhi; Dr Susan Chomba, a Kenyan forest scient ...  Show more

Mathematician Hannah Fry and geneticist Adam Rutherford investigate your everyday science queries. Today, they get stuck into two questions about tides. Lynn Godson wants to know why isn’t high tide at the same time at all points around the coast? Whilst Tim Mosedale asks, could ...  Show more

Mathematician Hannah Fry and geneticist Adam Rutherford investigate your everyday science queries. They get stuck into two questions about tides. Lynn Godson wants to know why isn’t high tide at the same time at all points around the coast? Whilst Tim Mosedale asks, could we ever ...  Show more

The Pentland Firth is the strait that lies between the far north of mainland Scotland and the Orkney Islands. It's a wild area with some of the fastest tides in the world, where the power of the sea is being harnessed by tidal turbines sitting on the sea bed.But this type of gree ...  Show more

Companies around the world are trying to harness the power of the tides to create a renewable energy source. Canada’s Bay of Fundy is a promising place to do it because it has the hi ...