A jailed Mexican antilogging campaiger, a Russian environmental lawyer and a liberian conservaitonist who set up that country's first and only national park were among seven activists awarded top world environmental prizes yesterday. Other winners of this year's $125,000 Goldman Environmental Prizes, included in Uzbek obstetrician who has fought to raise awareness of the dangers of pesticides, an ethnobotanist from Madagascar who has pioneered the use of local plants to treat disease, and two Paraguayan activists who have challenged a major dam project.