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Rein in carbon emissions with a global carbon tax

There is growing consensus that we need an international carbon price floor as well as a global carbon price to achieve climate change goals in the Paris Agreement.

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Pricing carbon, specifically through such a tax, is one way to address equity issues and reduce emissions.

Pricing carbon, specifically through a global tax, is one way to address equity issues and reduce emissions.

PHOTO: REUTERS

Chang Young Ho and Christopher Toh

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Countries are increasingly committing to mid-century

“net-zero” targets

under the Paris Agreement, but achieving the goal of limiting global warming to 1.5 deg C to 2 deg C – the threshold to avoid catastrophic climate change – requires cutting greenhouse gas emissions by a quarter or up to half in this decade.

Making sufficient progress in stabilising the climate therefore requires ratcheting up mitigation measures in the near term, and it is a challenging task indeed to get all 195 parties in the Paris Agreement to do so simultaneously.

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