Gunmen in the southern Philippines ambushed a tribal chieftain who was campaigning against mining and destruction of forests, killing his 11-year-old son in the latest of several attacks on environmental activists, human rights group Amnesty International said Wednesday.

The Montreal Gazette interviews Gevorg Mkhitaryan, owner of a small diamond polishing operation, who was part of a group of about 60 Armenian diamond cutters and polishers brought to the Northwest Territories to work in Canada's Yellowknife’s nascent diamond processing industry.

Exploration Orbite VSPA Inc. says its patented process to convert the Grande Vallée aluminous clays in the Gaspé Peninsula into alumina may have a much wider potential than expected. Orbite has already produced high-grade alumina - the intermediate