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Decarbonising world energy is by far the single biggest long-term challenge facing the world today. We are already at an atmospheric CO2 level of 420 ppm (parts per million), and we are adding about 2 ppm every year. This needs to be contained at 450 ppm if we wish to give ourselves at least a 50 per cent chance of keeping global warming to within 2 degrees centigrade.
Carbon emissions will have to fall by 50 per cent by 2030. The decarbonisation pathway needed is a huge technological, logistical and financial challenge. It is also the single biggest thematic investment opportunity
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