books.google.com - The 1989 report of the National Research Council, Global Change and Our Common Future states: "Our planet and global environment are witnessing the most profound changes in the brief history of the human species. Human activity is the major agent of those changes— depletion of stratospheric ozone,...http://books.google.com/books/about/Biomass_Burning_and_Global_Change.html?id=kYr5FYNFtq0C&utm_source=gb-gplus-shareBiomass Burning and Global Change
