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Perhaps, one of our greatest challenges as a nation, as a people, as human beings making sure that our grandkids can live on this Earth.

"Boxer Tackles Challenge of Preserving Earth for Future Generations". Interview with Jeanne Cummings, www.politico.com. March 19, 2007.
Perhaps, one of our greatest challenges as a nation, as a people, as human beings making sure that our grandkids can live on this Earth.