Annual production of clean hydrogen would need to increase more than sevenfold for the world to hit net zero in 2050, say the leading founders of McKinsey & Company’s platform for climate technologies, Bernd Heid of Cologne, Martin Linder of Munich, and Mark Patel of San Francisco, who add that reaching net-zero emissions will require “an immense effort” to invent, refine, and deploy climate technologies expressly intended to accelerate decarbonisation. In South Africa, PwC states that 80% of South Africa organisations surveyed by it have not yet made a net-zero commitmen...