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Canada, the EU-28, and the United States have put forward greenhouse gas reduction targets in their intended nationally determined contributions (INDCs) to the United Nations Framework Convention on Climate Change, and Japan has published a draft of its proposed target. Each country uses a different base year from which to measure its reductions: the EU-28 uses 1990, Canada and the United States use 2005, and Japan uses 2013. This chart presents each target against each chosen base year to help facilitate easy comparisons.
Methods, Assumptions, and Sources:
This chart uses historical greenhouse gas (GHG) emissions data and the targets and timetables in submitted intended nationally-determined contributions (INDCs) for Canada
The chart includes estimates for total 2030 emissions and base year emissions that both excludes and includes the land use, land-use change, and forestry (LULUCF) sector, as the treatment of this sector is not consistent across Canada, EU, Japan, and U.S. INDCs.
The Canada INDC target is taken as a 30% reduction in GHG emissions by 2030 from 2005 levels.
The EU-28 INDC target is taken as a 40% reduction in GHG emissions by 2030 from 1990 levels.
The Japan INDC proposed target is taken as a 26% reduction in GHG emissions by 2030 from 2013 levels.
The U.S. INDC target is taken as a 27% reduction in GHG emissions - the median of the range provided in the U.S. INDC - by 2025 from 2005 levels. In addition, United States 2030 emissions levels are then interpolated based on estimated emissions levels for 2025 and 2050. (The U.S. INDC suggests an emissions trajectory that aims to achieve an 80% reduction from 2005 levels by 2050).
Historical emissions data (1990-2013) for Canada, Japan,