By Laura Kane, City News, January 8, 2018
VANCOUVER – Dan Sutton always assumed cannabis had to be grown indoors.
The former technology professional was new to the marijuana industry in 2012 when he founded Tantalus Labs. The stereotypical image of a large industrial warehouse, with pot plants growing under bright lights and fans, loomed large in his mind.
But when Sutton asked academics, horticulturists and engineers for advice, they all told him that no crop on the planet is grown indoors on a commercial scale.
http://toronto.citynews.ca/2018/01/08/ottawa-urged-to-consider-environmental-impacts-of-legal-marijuana/