Diane MacEachern is the publisher of www.biggreenpurse.com and the author of "Big Green Purse: Use Your Spending Power to Create a Cleaner, Greener World."

Diane MacEachern is the publisher of www.biggreenpurse.com and the author of "Big Green Purse: Use Your Spending Power to Create a Cleaner, Greener World."

Diane is also the co-founder and president of Vanguard Communications, an award-winning communications company based in Washington, D.C., and is the author of Diane's clients included the World Bank, the United Nations Development Programme, World Wildlife Fund, Earth Day, the National Wildlife Federation, Earth Share, the League of Women Voters, and the Women's Environment Development Organization.