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Global Warming is a Problem
After years of debate, a near consensus among the world's scientists has concluded that we are warming the planet. Unless we take steps now to curb global warming, our way of life, our planet, and our children are all in danger. Learn more about the basics of global warming.

Smart Energy Solutions to Global Warming
But there is hope. We can make simple decisions on national, state, local, and personal levels that will reduce global warming pollution. The Sierra Club's network of activists and volunteers are dedicated to cleaning up our vehicles, buildings, and electricity grid to drastically cut carbon emissions and curb global warming. Learn more about what you can do to curb global warming.

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Scientists say we can curb global warming if we take action now to cut carbon emissions 2 percent each year.

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Join the Discussion: From Our Blogs

Mon, Jul 07, 2008

Cool T-Shirt Leads to Green Day In Kentuckyby Tom Valtin

This spring, Kentucky school teacher and Sierra Club volunteer Su-hwa "Winny" Lin organized a "Go Green Day" (above) at Tamarack ...

Download: The Sierra Club's CFL Guidelines

Many chapters and groups of the Sierra Club plan to or have engaged in community-based programs to distribute energy-efficient lightbulbs. This spring, Club activists will be giving away CFLs across the country. Here are guidelines for selecting, distributing, and recycling environmentally-preferable lightbulbs during mass giveaways. (PDF)