Home1998 Treaties and Agreements ...Bulgaria (12984) – Agreement for Cooperation in the Global Learning and Observations to Benefit the Environment (GLOBE) Program hide Bulgaria (12984) – Agreement for Cooperation in the Global Learning and Observations to Benefit the Environment (GLOBE) Program TIAS Office of Treaty Affairs September 8, 1998 Environment and Conservation: GLOBE Program Agreement signed at Sofia September 8, 1998; Entered into force September 8, 1998. With appendices. Download attachment [322 KB] Tags Bulgaria Environment Treaties