For more than four decades, the Union of Concerned Scientists has leveraged science-based analysis to push for—and win—smart, practical solutions to critical environmental and security problems.

Now you can help defend science and build a healthier environment and a safer world by making a special, tax-deductible gift to the Union of Concerned Scientists. If you donate by December 31, a generous supporter will match your gift dollar-for-dollar! Don’t miss this special opportunity to have double the impact today.