Quiz # 1. The “hole” in the ozone layer is now known to be caused by CFCs used in ______ The Beijing Protocol was signed in 2001 to regulate CFC emissions in the atmosphere T____ F______
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Harnessing new energy sources, linking modern society to carbon and steam (and eventually global warming).
James Watt and the invention of the steam engine-1769.
Late 18th century, first concerns about “smoke nuisance”
Street sweepers praised the automobile for making their job easier: less manure to pick up and cart, fewer stables and manure pits, and not as many animal carcasses to dispose of.
Environmental impacts start with mineral extraction and the production of the raw materials that go into the parts of a car.
For example, iron ore gets turned into steel, which now accounts for most of the mass in vehicles.
But steel can be recycled, and on average, today's automobiles are about 75 percent recyclable, and using recycled steel helps reduce energy use and pollution
In 2002 there were 590 million cars in the world. That is one for every ten people. There are 140 million cars in the United States and 55 million in Japan. This contrasts with just nine million cars in China and 6 million in India.
“You know you are in a stagnant industry when the big product innovation of the past decade is more cup holders” Hunter et al. 1999