Canadian coal company HD Mining has sent some of its Chinese workers back to their home country following a court battle with unions in British Columbia
Researchers from the USA and Hungary are developing solar cells capable of record-breaking levels of efficiency via the manipulation of nano-particles.
With scores of visitors waiting in line to collect their badges at the registration desk, foot traffic in the corridors of the Antwerp Diamond Bourse and the Diamond Club of Antwerp was strong, turning the exhibition booths of the 83 participating companies into beehives of activity.