Policies to reduce emissions of greenhouse gases also have impacts on other policy goals, especially health. In some cases, these ancillary effects may be more significant than the direct greenhouse gas reduction impacts. While these relationships are generally recognised, analysis of climate...

Overview -- Baseline emissions under business as usual -- Abatement initiatives in the Copenhagen Accord and Cancun Agreements -- Abatement cost functions -- Abatement costs through 2050 -- Trade and timing -- Estimating investment requirements and adaptation costs -- Synthesis

Using a stacked differences-in-differences approach, we study the effects of Low Emission Zones (LEZs) in Germany. The implementation of stage 1 and 2 LEZs, which banned the most pollution-intensive vehicles from city centers, significantly reduced PM10 concentrations. The most restrictive third...