’s scarce resources, by helping to curb use of polluting fuels that would otherwise be excessive. 6 Figure 1. Outdoor Air Pollution Mortality Rates and Pollution Concentrations, Selected Countries, 2010 Notes: PM2.5 is fine particulate matter (with diameter up to 2.5 micrometers) which is respirable and therefore harmful to human health. Pollution concentrations are averages of regional concentrations (measured by satellite data) weighted by regional population shares. The mortality data is air pollution deaths (from fossil fuels and other sources) estimated in
subsidies, respectively. Electricity subsidies are evenly split across industrial and residential users (due to retail prices that are below cost-recovery levels). By region East Asia and the Pacific accounts for 48 percent of total energy subsidies . And by country, China remains the biggest subsidizer in absolute terms, followed by the US, Russia, India, and the EU. With efficient fuel prices in 2025 , projected global CO2 emissions are reduced 36 percent below baseline levels, fossil fuel air pollution deaths 32 percent (saving 0.9 million lives annually), tax
lower , fossil fuel air pollution deaths 46 percent lower, tax revenues higher by 3.8 percent of global GDP, and net economic benefits (environmental benefits less economic costs) would have amounted to 1.7 percent of global GDP. The rest of paper is organized as follows. Section 2 recaps the definition of corrective fuel taxes and energy subsidies and discusses procedures for updating their estimates with a particular focus on local air pollution given its importance for the results. Section 3 distills some of the quantitative results—the complete set of
. Sensitivity of CO 2 Reductions from Paris Pledge and $70 Carbon Tax, 2030 Figures 1. Change in BAU CO 2 Emissions, 2015–2030 2. BAU Primary Fuel Mix, 2030 3. Outdoor Air Pollution Death Rates from Fossil Fuels, 2030 4. Percent Reduction in BAU CO 2 Emissions Implied by Paris Pledge, 2030 5. Reduction in CO 2 Emissions from Carbon Taxes, 2030 6. Revenue from Carbon Taxes, 2030 7. Reductions in Air Pollution Deaths from Carbon Taxes, 2030 8. Domestic Welfare Effect of Carbon Taxes, 2030 9. Burden of $20 Carbon Tax on Household Consumption Quintiles