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Imagine a world in which the excess energy from one business would be used to heat another. Where buildings need less and less energy around the world, and where “regenerative” commercial buildings – ones that create more energy than they use – are being designed. A world in which environmentally sound products and processes would be more cost-effective than wasteful ones. A world in which corporations such as Costco, Nike, BP, and countless others are forming partnerships with environmental and social justice organizations to ensure better stewardship of the earth and better livelihoods in the developing world. Now, stop imagining – that world is already emerging.

A revolution is underway in today’s organizations. As Peter Senge and his co-authors reveal in The Necessary Revolution, companies around the world are boldly leading the change from dead-end “business as usual” tactics to transformative strategies that are essential for creating a flourishing, sustainable world. There is a long way to go, but the era of denial has ended. Today’s most innovative leaders are recognizing that for the sake of our companies and our world, we must implement revolutionary—not just incremental—changes in the way we live and work.

Brimming with inspiring stories from individuals and organizations tackling social and environmental problems around the globe, THE NECESSARY REVOLUTION reveals how ordinary people at every level are transforming their businesses and communities. By working collaboratively across boundaries, they are exploring and putting into place unprecedented solutions that move beyond just being “less bad” to creating pathways that will enable us to flourish in an increasingly interdependent world. Among the stories in these pages are the evolution of Sweden’s “Green Zone,” Alcoa’s water use reduction goals, GE’s ecoimagination initiative, and Seventh Generation’s decision to shift some of their advertising to youth-led social change programs.

At its heart, THE NECESSARY REVOLUTION contains a wealth of strategies that individuals and organizations can use — specific tools and ways of thinking — to help us build the confidence and competence to respond effectively to the greatest challenge of our time. It is an essential guidebook for all of us who recognize the need to act and work together—now—to create a sustainable world, both for ourselves and for the generations to follow.

For many students, calculus can be the most mystifying and frustrating course they will ever take. The Calculus Lifesaver provides students with the essential tools they need not only to learn calculus, but to excel at it.

All of the material in this user-friendly study guide has been proven to get results. The book arose from Adrian Banner's popular calculus review course at Princeton University, which he developed especially for students who are motivated to earn A's but get only average grades on exams. The complete course will be available for free on the Web in a series of videotaped lectures. This study guide works as a supplement to any single-variable calculus course or textbook. Coupled with a selection of exercises, the book can also be used as a textbook in its own right. The style is informal, non-intimidating, and even entertaining, without sacrificing comprehensiveness. The author elaborates standard course material with scores of detailed examples that treat the reader to an "inner monologue"--the train of thought students should be following in order to solve the problem--providing the necessary reasoning as well as the solution. The book's emphasis is on building problem-solving skills. Examples range from easy to difficult and illustrate the in-depth presentation of theory.

The Calculus Lifesaver combines ease of use and readability with the depth of content and mathematical rigor of the best calculus textbooks. It is an indispensable volume for any student seeking to master calculus.

• Serves as a companion to any single-variable calculus textbook
• Informal, entertaining, and not intimidating
• Informative videos that follow the book--a full forty-eight hours of Banner's Princeton calculus-review course--will be available through the book's Web site at www.calclifesaver.com
• More than 475 examples (ranging from easy to hard) provide step-by-step reasoning
• Theorems and methods justified and connections made to actual practice
• Difficult topics such as improper integrals and infinite series covered in detail
• Tried and tested by students taking freshman calculus