TORONTO, Ontario, Canada, 5 May 2022 (SFL PR) – Space Flight Laboratory (SFL) and GHGSat Inc. today announced the successful completion of laboratory testing on the GHGSat-C3, C4, and C5 microsatellites at SFL’s facility in Toronto. Canadian based company GHGSat is expanding its constellation of methane monitoring satellites, expected to launch in spring/summer 2022.