upgrades in the past have not been as effective as predicted because there has been an increase in building use .
The second scenario assumes that each HVAC upgrade converts to a clean fuel except for the first change at the Greenhouse . There ’ ll be a second greenhouse upgrade in 2045 . The first Greenhouse upgrade in 2025 is not fossil fuel free , but it does cut GHG emissions by 50 %. This scenario eliminates fossil fuels for heating by FY2050 without the purchase of carbon offsets .
Figure 14 - First Greenhouse upgrade in 2025 is not fossil-fuel free , but it does cut GHG emissions by 50 %. All other HVAC upgrades eliminate fossil fuels .
Mount Auburn Cemetery | Climate Action & Sustainability Plan 21