The race to decarbonise is in full swing and many businesses aren’t stopping at their own mess. Particularly at the big end of town, companies already well on the road to eliminating their own emissions are now culling carbon from their long chains of suppliers.

Europe is facing an energy crisis thanks to low wind-power generation, broken connections that allow electricity to be shared across nations and shrinking nuclear energy sources. The UK has responded by burning more gas to produce electricity – but gas prices are at a record high.

Technologies to harness the power of water are touted as crucial for a low-emissions future. But over many decades, the hydropower industry has caused serious damage to the environment and people’s lives.

In 2050, 335 million people in Indonesia will enjoy a high standard of living, in an industrialised country that uses no fossil fuels. Instead, nearly all energy will come from solar panels. Transport, heating and industry will be fully electrified.