Digging Deep: Are CFLs Really Green?

This paper addresses the debate over compact fluorescent lamps and incandescent light bulbs through lifecycle analysis. It compares the environmental impacts of providing a given amount of light from incandescents and CFLs for 10,000 hours. Special attention has been paid to recently raised concerns regarding CFLs—specifically that their complex and energy-intensive manufacturing process uses so much energy that it outweighs the benefits of using CFLs, that frequently turning CFLs on and off eliminates their energy-efficiency benefits, and that they contain a large amount of mercury. The research shows that the efficiency benefits compensate for the added complexity in manufacturing; while rapid on-off cycling of the lamp does reduce the environmental (and payback) benefits of CFLs they remain a net “win,”; and the mercury emitted over a CFL’s life—by power plants to power the CFL and by leakage on disposal—is still less than the mercury that can be attributed to powering the incandescent. This document concludes with tips on how consumers can maximize the environmental benefits of CFLs by using and disposing of them properly.

Comparison of Lifecycle Analyses of Compact Fluorescent and Incandescent Lamps Based on Rated Life of Compact Fluorescent Lamp

This paper addresses the debate over compact fluorescent lamps (CFLs) and incandescents through lifecycle analysis (LCA) conducted in the SimaPro1 lifecycle analysis program. It compares the environmental impacts of providing a given amount of light (approximately 1,600 lumens) from incandescents and CFLs for 10,000 hours. Special attention has been paid to recently raised concerns regarding CFLs—specifically that their complex manufacturing process uses so much energy that it outweighs the benefits of using CFLs, that turning CFLs on and off frequently eliminates their energy-efficiency benefits, and that they contain a large amount of mercury. The research shows that the efficiency benefits compensate for the added complexity in manufacturing, that while rapid on-off cycling of the lamp does reduce the environmental (and payback) benefits of CFLs they remain a net “win,” and that the mercury emitted over a CFL’s life—by power plants to power the CFL and by leakage on disposal—is still less than the mercury that can be attributed to powering the incandescent.

Nuclear Power and Climate Change

This 2007 e-mail exchange between Steve Berry (University of Chicago), Peter Bradford (former U.S. Nuclear Regulatory Commissioner and senior utility regulator), and Amory Lovins elucidates the case for and against nuclear power in relation to climate and the environment. Lovins argues that energy efficiency measures is the best approach to powering a climate-safe, prosperous global economy. Lovins also argues for the use of micropower, not nuclear power, as a primary source of global energy. Berry agrees with Lovins on the fundamentals on energy efficiency, but claims that no single method of energy generation will accomplish the goal of providing energy with minimal environmental impact.

Profitable Solutions for Oil, Climate, and Proliferation

This lecture was given at the American Academy in Berlin and it is an expanded version of an article published in the Bulletin of the Atomic Scientists. In it, Amory Lovins explains how energy efficiency measures can have a lasting impact on climate and the environment. Lovins' answers the question, "what can we do to stop climate change?". He points out that saving energy is cheaper than buying it, a concept that makes environmental and economic sense. He argues that the climate problem is not necessary or economically sensible. It is an artifact of wasted energy and money. When we take steps to save energy, we will also be saving money and protecting the environment.

What Can We Do?

In this series published in Bulletin of the Atomic Scientists, Amory Lovins joins three other atomic experts in discussing ideas for how to curb carbon dioxide emissions, reduce global temperatures, and sustain economic growth. Lovins' proposed solution is to stop wasting energy. He points out that saving energy is cheaper than buying it, a concept that makes environmental and economic sense. He argues that the climate problem is not necessary or economically sensible; it is an artifact of wasted energy and money. When we take steps to save energy, we will also be saving money and the climate.

What Can we do to Fix the Climate Problem?

This is an expanded version of an article that was published in the Bulletin of the Atomic Scientists in which Amory Lovins joins three other atomic experts in discussing ideas for how to curb carbon dioxide emissions, reduce global temperatures, sustain economic growth, and summon the necessary political leadership. Lovins' creative solution is to stop wasting energy. He points out that saving energy is cheaper than buying it, a concept that makes environmental and economic sense. He argues that the climate problem is not necessary or economically sensible. It is an artifact of wasted energy and money. When we take steps to save energy, we will also be saving money and protecting against climate change.

More Profit with Less Carbon

In this article, originally published in Scientific American, Amory Lovins dispels the myth that protecting the earth's climate will force a trade-off between the environment and the economy. Instead, he shows that efficiency is profitable. Focusing on energy efficiency improves the bottom line and yields many valuable side benefits. Whole systems engineering can be applied to vast numbers of systems to increase efficiency, thereby increasing profits. Technological advancements in the transportation industry (such as ultra-light cars), and renewable energy improvements (such as wind, solar, and other renewable resources) are evidence that smarter design and integration can decrease our dependence on fossil fuels and are financially advantageous. Additionally, Lovins argues that the globalized economy is stimulating many new energy investments. If government can remove institutional barriers and harness free enterprise, the markets will naturally favor choices that generate wealth, protect the climate and build security by replacing fossil fuels with cheaper alternatives. The complete bibliography of this article is also available (RMI document ID C05-05a).

Climate: Making Sense and Making Money

Climate change is not the inevitable price of progress, but rather "an unnecessary artifact of the uneconomically wasteful use of resources," according to this influential white paper by Amory Lovins and Hunter Lovins. Many other studies have shown how the United States can reduce its greenhouse-gas emissions while stimulating the economy. This paper offers practical, market-based mechanisms for actually making that happen-without relying on the carbon tax or other "command-and-control" strategies that some economists and politicians fear would harm the economy. This report argues that saving fuel typically costs less than burning fuel, and the gap is widening as efficiency costs continue to fall faster than fuel prices. Engineering economics has made climatic protection not costly but profitable. Therefore, debates about climate science, who should save energy first, and how to share the alleged pain of the savings are all misconceived and irrelevant. Just as the American economy has succeeded in displacing leaded gasoline, chlorofluorocarbons, sulfur emissions, and many toxic chemicals—all at costs far lower than initially expected—so modern technologies and market understanding can profitably displace carbon fuels too, yielding both a stable climate and a vibrant economy.

Cool Citizens: Everyday Solutions to Climate Change: Household Solutions

This brief describes residential carbon dioxide emissions profiles and calculations of carbon dioxide reduction measures. The brief contains a profile for energy consumption, energy costs, and the emissions of greenhouse gases resulting from the direct and indirect use of energy in the household. The goal of this brief is to discuss numerous ways for ordinary homeowners to cost-effectively reduce their carbon emissions in their own homes. The document distinguishes energy use and emissions by end uses (such as heating, cooling, and appliances) after consideration of the various fuels used for each end-use and the carbon dioxide content of fuels. This household profile is an amalgamated average for a great variety of climate zones, heating and cooling requirements, types of installed equipment, size and age and condition, and numerous other factors that differ from your consumption and CO2 emissions patterns.