Why unlimited green energy is closer than people think – video

Most countries have no fossil fuel reserves, but no country in the world is without renewable energy resources. For a country such as Iceland, the world leader in renewables, this statement is clear to see. The island nation has made good use of its volcanoes and glaciers, which help provide 100% of its electricity and almost all its heat energy. But what about other countries that don't have Iceland's unique geology to rely on. Josh Toussaint-Strauss finds out how the world has managed to reach the impressive milestone of more than 40% of global electricity demand coming from clean power sources, and how other countries such as the UK are making this energy transition happen, despite a distinct lack of volcanoes

• Clean energy powered 40% of global electricity in 2024, report finds