Natural gas is a major component of energy supply in the United States, representing 23% of all fuel consumed. In some states like California, it is the primary fossil fuel burned to heat homes or to generate electricity.
Why is this? For one, it is clean burning, meaning that “pound for pound” it doesn't result in as much carbon dioxide or air pollutants as do fuel oil or coal. And, it is relatively plentiful: over 95% of the natural gas we burn in the US comes from North America, as compared to only 33% for oil1.
But, is this the entire story? Is there a downside to using more natural gas in the future?
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