The planned transition to cleaner sources of energy like hydrogen will help us reach our climate change goals, but the safety risks must not be overlooked, says Paul Davidson.

With the 26th UN Climate Change Conference (COP26) recently being held in Glasgow, global attention on decarbonisation has rarely been greater.

At the same time, the UK’s commitment to 2050 net-zero emissions has given fresh impetus to the drive for cleaner energy over the past two years and, while the ultimate goal remains some way off, some recent milestones clearly indicate the direction — and pace — of travel.

At the beginning of the year, it was announced that annual electricity generated from renewable sources outstripped fossil fuels for the first time in 2020, providing 42 per cent of the UK’s electricity (see The Guardian, January 2021, We also saw the UK overtake France as the second largest market for electrified cars in Europe, behind Germany.

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