y crude oil and its derivatives, by vehicles, power plants, and industry (Natural Resources Defense Council).
Far from taking a purely reactive position, many experts promote active protection against the effects of global warming in addition to mitigating its future impacts. The multiple effects of global warming are intertwined and often synergistic, affecting such things as local weather patterns, global temperature, the stability of ice sheets and the polar ice caps, the water level of the world's oceans, and the fate of economically vital costal cities (Spotts). However, by pursuing proactive strategies, humans can most effectively cope with the effects of global warming in the future.
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