"usgcrp-ocpfy1998" . "Our Changing Planet: The Fiscal Year 1998 U.S. Global Change Research Program"^^ . "1997"^^ . "A report by the U.S. Global Change Research Program and the Subcommittee on Global Change Research. A supplement to the President's Fiscal Year 1998 Budget. Published 1997."^^ . "report" . . . . _:genid1 . _:genid1 . _:genid1 . _:genid1 . _:genid2 . _:genid2 . _:genid2 . _:genid2 .