"Oil wells go dry and coal seams run out, but for the first time since the Industrial Revolution began we are investing in energy sources that can last forever." –Lester R. Brown, Plan B 4.0: Mobilizing to Save Civilization.
Lester Brown in Robert Kunzig’s article, “Population 7 Billion,” National Geographic
January 03, 2011
Lester Brown quoted in National Geographic's Special Series "Population 7 Billion" by Robert Kunzig. Posted January 3, 2011.