Diverting funds from mission and ministry outreach to building upgrades makes for difficult conversations. But by 2018, St. Martin's had reduced its carbon footprint by about 60%, its annual natural gas bill by 50% and grid electricity bills by 75%, with overall energy costs reduced by nearly 20%. With the switch to an all-electric HVAC system and the 2021 installation of the last solar array on the roof of the Sunday school classroom building, St. Martin's achieved net-zero carbon.