The price of emitting carbon dioxide must rise to between $ 40 and $ 50 per tonne by the end of the decade if the terms of the Paris climate agreement are to be met , according to a report by the commission on Carbon Prices . The group of 13 internationally - recognized economists supported by the World Bank added that the global carbon price must further rise to $ 50 to $ 100 per tonne by 2030 . Under the terms of the climate agreement , some 190 countries from across the world pledged to reduce global warming to below two degrees Celsius .
The price of emitting carbon dioxide must rise to between $40 and $80 per tonne by the end of the decade if the terms of the Paris climate agreement are to be met, according to a report by the Commission on Carbon Prices. The group of 13 internationally-renowned economists supported by the World Bank added that the global carbon price must further increase to $50 to $100 per tonne by 2030. Under the terms of the Paris deal, some 190 countries from across the world pledged to limit global warming to below two degrees Celsius.