Global change--what you can do [microform] : hearing before the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred First Congress, second session on ... April 25, 1990.
United States.Congress.Senate.Committee on Commerce, Science, and Transportation.
Washington : U.S. G.P.O. : For sale by the Supt. of Docs., Congressional Sales Office, U.S. G.P.O.,
1990 [i.e. 1991]
Shipping list no.: 91-206-P.
Microfiche.
Global temperature changes.
Human beings
Environmental protection