Using yearly nitrogen dioxide pollution measures in parts per billion for 179 countries during 1979 to 2011, this research examines whether the convergence process of catch-ups has taken place among countries in both total as well as in multiple subgroups of countries. All four income subgroups...

Many countries in the world have been experiencing widely varying rates of change in their carbon intensity of economic output. Dynamic trend of carbon intensity in this research is measured by the progress ratio from experience curve involving 127 countries during the period of 1980 to 2011....

The relationship between size of cities and energy use and carbon dioxide emissions has become an important research topic with the accelerated urbanizations. Results from previous empirical analyses have diverged greatly on the relationship between population and carbon emissions. In this...

A projection of future carbon emission is a vital input in influencing climate change for the world as well as for individual country and region. We provide alternative projections of future carbon dioxide emission and compare our projections with those from the International Energy Outlook...