Now playing Next Eco-Innovation Flooded coal mines could be used to heat homes in the future From Newcastle to the Netherlands, labyrinths of old coal mines are filling up with a valuable resource: warm water. 14/02/2022
Now playing Next Mobility Astronauts train for life on Mars with rocks on Earth The ESA’s Pangaea project is designed to equip astronauts with essential geology training so they can execute manned missions to the Moon and Mars. 14/12/2021
Now playing Next world news Earth-moving research charts one billion years of tectonic plate movement Tectonic plates are irregular-shaped slabs of solid rock which can vary massively in size from a few hundred to thousands of kilometers across 03/02/2021
Now playing Next Green News Fire and ice: Geothermal energy's world-saving potential A thermal revolution is taking place in a remote northern alliance in Canada. 28/11/2020
Now playing Next no comment Massive sinkhole nearly swallows up parked van in California A sinkhole nearly swallowed up a parked van after it opened up due to a water main break, local authorities said. 11/11/2020
Now playing Next Green Opinion Hidden faces: Why I launched a movement for Black people in geography Geography tells the stories of people and planet. But which stories are told - and who is chosen to tell them? 03/10/2020
Now playing Next world news The day dinosaurs died: an asteroid, a giant tsunami, then darkness What exactly happened when the asteroid that spelt the end of dinosaurs slammed into the Earth, 66 million years ago? Scientists are one step closer to understanding how dramatically the planet was transformed in just one day. 10/09/2019
Now playing Next Destinations Giant crystal cave to accept first ever visitors Crystal shards inside the geode can measure up to a metre long. 12/06/2019
Now playing Next Spain Watch: Europe's biggest crystal cave to open to public The geode – a cavity of rock filled with crystals – lies beneath an abandoned silver mine. It is hoped it will change the fortunes of the town of Pulpi, bringing tourists and with them jobs. 12/06/2019
Now playing Next Israel Watch: A look inside the world's longest salt cave During one dinner break the researchers felt their pasta lacked flavour – "So we just broke some salt off and used that." 28/03/2019
Now playing Next Italy Watch: Etna 're-awakens' with eruptions of ash plumes and lava On August 23, the volcano shot lava bombs as high as 150 metres in the air while burning lava continues to spew from the crater. 27/08/2018