Pollution from fossil fuels and degraded natural lands are raising the earth's temperature. The evidence of the causes of global warming is clear, as are its consequences. The economic impacts of climate change are already apparent and they threaten development gains. Extreme weather events have...

This paper documents a significant impact of climate variation on urbanization in Sub-Saharan Africa, primarily in more arid countries. By lowering farm incomes, reduced moisture availability encourages migration to nearby cities, while wetter conditions slow migration. The paper also provides...

Using a comprehensive geo-referenced database of indicators relating to global change and energy, the paper assesses countries' likely attitudes with respect to international treaties that regulate carbon emissions. The authors distinguish between source and impact vulnerability and classify...