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The bad news: Global warming is real. The better news: there are real ways you can help. In honor of Earth Day, here are five things you can do to make a cleaner planet and a better tomorrow. The best part is they are low-cost or free -- but have a huge impact.
1. Reduce. Here's a bright idea: Swap out five standard light bulbs for energy-saving compact fluorescents. They use 25% less energy and last 10 times as long. Other ways to save: unplug unused appliances and take public transit. For more cool tips, go to the Natural Resources Defense Council website: Act for Change

2. Offset. Once you've done what you can to reduce your impact on the environment, offset the rest. Make a donation to reverse the greenhouse gases you produce. Go to CarbonFund.org: CarbonFund

3. Recycle. Have an old cellphone just sitting in a drawer? CollectiveGood can send these phones for use in developing countries, or safely recycles materials from them. To donate your phone today (the shipping is free), go to CollectiveGood.com: Collective Good

4. Take Action. We need bold action to solve the climate crisis. The United States is currently responsible for nearly 25% of the world's greenhouse gas emissions, so we need to take the lead in solving the problem. Senators Boxer and Sanders have come forward with a bill to achieve 80% emissions reductions by 2050; click here to support the Global Warming Pollution Reduction Act: Pollution reduction

5. Get a cool credit card. Get the credit card that plants trees and supports alternative-energy groups. Click to find out more: Credit card.