Most of the data comes from the industrialized world. Not surprisingly, burning fossil fuels for transportation and electrical generation top the list for their contributions to climate change, acid rain and toxic pollution.
VOA: standard.2010.06.04
Rising pollution, global warming and shrinking fossil fuel reserves have focused world wide attention on how engines generate electrical and mechanical power.
When I gave a TEDGlobal talk on femto photography in June, I began with a reference to Doc Edgerton, a very popular MIT professor of electrical engineering who, in 1964, wowed the world with an image of a bullet in midair, having just passed through an apple.