溫室氣體

A moonshot to save a warming planet

Every silver lining has a cloud. The technologies that offer human beings comforts and opportunities that would have been unimaginable two centuries ago ultimately depend on an abundance of energy. Fire is the source of that energy. But the burning of fossil fuels, from which we gain so much, also releases the carbon dioxide that threatens to destabilise the climate.

For some, the answer to this challenge is to embrace poverty. But humanity will not — and should not be expected to — give up the prosperity that some already enjoy and others greatly desire. The answer lies instead in breaking the links between prosperity and fossil fuels, fossil fuels and emissions, and emissions and the climate. We must not reject technology, but transform it.

This is not yet happening. BP’s latest Statistical Review of World Energy shows that global demand for commercial energy continues to grow, largely driven by growth of emerging countries, despite improvements in energy efficiency. Moreover, fossil fuels meet the bulk of that demand. In 2014, renewables contributed just over 2 per cent of global primary energy consumption. Together, nuclear power, hydroelectricity and renewables contributed merely 14 per cent. (See chart.)

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