Why an old train could point to a clean energy future
Progress is being made on systems to make hydrogen more economical to store and transport.
Author Archives: BBC News - Science & Environment
COP27: ‘We’d never seen this much water’ – Pakistan flood survivors
Pakistan is calling on Western nations to help after floods linked to climate change left millions homeless.
COP27: Ukraine a reason to act fast on climate change – Rishi Sunak
Rishi Sunak tells the COP27 summit in Egypt a greener planet is possible and there "is room for hope".