In This Chapter
^ Investigating where our energy comes from
^ Recognizing the differences between coal, oil, and natural gas
^ Connecting the dots between population growth, economic expansion, and climate change
MMjherever you live, however you heat your home, and however you get around, you probably meet most of your energy needs by burning fossil fuels, such as coal, oil, and natural gas.
Burning these fossil fuels releases large amounts of greenhouse gases (we talk about those gases in Chapter 2). In fact, just over two-thirds of human-produced greenhouse gases in the atmosphere come directly from burning fossil fuels. In this chapter, we examine the types of fossil fuels, look at how people use them in their day-to-day lives, and assess fossil fuels' overall contribution to climate change.
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