Since the invasion of Ukraine, European countries have sought alternatives to Russian gas. There are different options. Piped gas from countries such as Algeria and Libya, or liquid natural gas from the US or Qatar. Stepping up the drive towards renewable energy. More controversially, investing in nuclear power or continuing to mine or import coal. How quickly can a solution be found and what are the financial and environmental costs?

With Tanya Beckett. Producer Bob Howard

(Steam from the cooling towers of German energy giant RWE power AG in Neurath, Germany April 2022. Photo: Ying Tang/Getty Images)