EKsN RESEARCH AND ENGINEERING COMPANY P.O. BOX 5r. LTNDEN N.J. 07036 PROOUCTS RESEAfi CH DI VISION J.F. ELACK Scientific Advisot Juue 6, 1978 The Greenhouse Effect Ref. No: 78pR 461 Mr. F. G. Turpin, Vlce President E:ocon Research and Engineerlng Petroleun Staff P. O. Box L01 Florhan Park, NJ 07932 Co. Dear Frank: the The review of the Greenhouse Effect which r presented. to E:oron Corporatlon Management congrittee last July used only rnr- graphs, wLthout a prepared text. Last month, r had the opportunlty to present an updated verslon of this talk to pERCC. The attached text was dlctated shortly afterward to satlsfy requests for a written version of the talk from people who had not heard the presentation last July. Also attached is a sunmary. Slncerely, //'-'"'- {4. s. BLAcK JFB/nrbh Attachments: Sumrnary Text Vugraphs CC: Messrs. N. Alpert W. !f. Cooper, Jr. E. E. David E. J. Gornowski R. L. Hlrsch F. A. L. Holloway P. J. Lucchesi t. E. Swabb, Jr.