The study found that having a child has an impact that far outweighs that of other energy-saving behaviors.
Take, for example, a hypothetical American woman who switches to a more fuel-efficient car, drives less, recycles, installs more efficient light bulbs, and replaces her refrigerator and windows with energy-saving models. If she had two children, the researchers found, her carbon legacy would eventually rise to nearly 40 times what she had saved by those actions. More...
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