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Drug testing policies must comply with the law, as well as be fair and respectful of employees’ rights, protecting both them and the company. Photographer: Waldo Swiegers/Bloomberg via Getty Images
BIOFUEL

Bricks and biofuels: Cannabis can grow South Africa

Two promising uses of hemp are the manufacturing of “green” biofuels and the building of low-cost and sustainable housing

  • Paul Michael Keichel
5 min read