ENVIRONMENT
04/09/2009 05:12 am ET Updated May 25, 2011

Harvest Rainwater With This DIY Purifier

Here's a great tip from Stephen and Rebekah Hren from their book The Carbon-Free Home: 36 Remodeling Projects to Help Kick the Fossil-Fuel Habit. Harvested rainwater needs filtration before it is potable. Pollution, particles from the air, debris from the collection system (your gutters) are not things you want to find in your tall glass of ice water. Instead of investing in a garage-sized Brita pitcher, Stephen and Rebekah have another idea: sand.

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