Coal mining has long polluted the natural environment, with devastating consequences. But today, could it be a source of renewable energy? Down to Earth travels to the UK where disused, flooded coal mines are now reservoirs of geothermal energy.

Top G7 diplomats meeting in Germany have warned the war in Ukraine is stoking a crisis that threatens the world's poorest. They also pledged to continue their military assistance to Ukraine for "as long as necessary."

Nigerian entrepreneur Mustapha Gajibo has been converting petrol mini-buses into electric vehicles at his workshop, but he is now going a step further to build battery-powered buses from scratch in a push to promote clean energy and curb pollution.

The European Union plans to invest up to €300 billion to reduce its dependence on Russian fossil fuels, the European Commission announced.

The influx of cash aims to support the financing of Ukraine's government, as Russia's war has decimated tax revenue. The grant is part of over €18 billion pledged by G7 finance ministers during their summit in Germany.

It took the invasion of Ukraine for Europeans to realise that decades of short-sighted energy policy have caught up with them. As Germany strips its former chancellor of parliamentary privileges over his refusal to sever ties with Gazprom, Gerhard Schröder's downfall is a reminder that it's all of Germany and most of Europe that went for a quick buck by buying Russian oil and gas.

As Berlin seeks to ween itself off Russian energy sources, Chancellor Scholz has said Qatar "plays an important role" in energy policy. The visiting Emir of Qatar has confirmed could start LNG deliveries by 2024.

The Ukrainian government has been unable to collect taxes since Russia's invasion, and now international support aims to prop up its budget.

Germany's race to cut its reliance on gas from Russia has injected urgency into the first official visit to Africa by Olaf Scholz as he hunts new sources of energy supplies.

German Chancellor Olaf Scholz is in Niger, continuing a three-country tour of Africa. One of the main motivations is that Germany is interested in new sources of energy. We get analysis from Dr. Douglas Yates of the American Graduate School in Paris. Also, as Hassan Sheikh Mohamud is sworn in as president of Somalia, we take a look at the challenges ahead for him. Elsewhere, it's been a year since the explosion of Mount Nyiragongo near Goma in eastern DR Congo, with many still homeless as a result.

The climate talks in Berlin are focusing not only on the war in Ukraine and Russian energy, but also how the G7 nations can take a lead on the phasing out of coal.

A primary school in Uganda with more than 1,000 pupils guarantees the fecal matter that can generate enough biogas to cook daily meals.