"Natural gas is an amazing source of energy and one of the cleaner forms of fossil fuels, meaning that it produces less pollution than other forms. Does your barbecue grill at home use a propane tank rather than charcoal? Does your stove cook with blue flames? These are forms of natural gas. However, natural gas still contributes to climate change, and fracking, a method of extracting natural gas from the ground, is highly controversial. The countries of North America have always had plentiful natural resources. But the exploitation of these resources comes at a cost, and in certain cases, some have wondered if that cost is too high. North American Natural Resources explores all facets of this vital aspect of our economy. Readers will investigate the natural history, human use, technology, environmental impact, and economic significance of the most significant resources on the continent"--Back cover.