Tier 1 Test CAPP Funding Back To All Programs Tier 1 Test CAPP FundingAcerca de Test CAPP Homepage Subscribe Funding for the Community Air Protection Program comes from the Greenhouse Gas Reduction Fund (GGRF), the Air Pollution Control Fund (APCF), and sometimes from the General Fund. The funding is used in three different ways. More about this program IncentivesCommunity Air GrantsImplementation funds