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Additional resources for [Magazine] Scientific American. Vol. 295. No 3
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The world must begin implementing carbon capture and storage soon to stave off global warming. COPYRIGHT 2006 SCIENTIFIC AMERICAN, INC. ▼ Burning coal sends nearly 10 billion metric tons of carbon dioxide into the atmosphere every year. about Coal More than most people realize, dealing with climate change means addressing the problems posed by emissions from coal-fi red power plants. Unless humanity takes prompt action to strictly limit the amount of carbon dioxide (CO2) released into the atmosphere when consuming coal to make electricity, we have little chance of gaining control over global warming.
New refrigerators use only factors other than policy can drive one quarter of the power of earlier changes in efficiency— higher energy prices, new technologies or models. (With approximately 150 cost competition, for instance. ) Changemitting fossil fuels al coordination of regulations for ing to compact fluorescent lighttraded products — can make an bulbs yields an instant reduction in enormous difference. Furthermore, power demand; these bulbs prorapid growth in demand for energy vide as much light as regular incanservices in emerging countries prodescent bulbs, last 10 times longer vides an opportunity to implement and use just one fourth to one fifth energy-efficient policies from the the energy.
S. could meet this goal in many ways [see illustration at right]. These strategies will be followed by most other countries as well. The resultant cross-pollination will lower every country’s costs. Fortunately, the goal of decarbonization does not confl ict with the goal of eliminating the world’s most extreme poverty. The extra carbon emissions produced when the world’s nations accelerate the delivery of electricity and modern cooking fuel to the earth’s poorest people can be compensated for by, at most, one fi fth of a wedge of emissions reductions elsewhere.