https://skmtc.net/google/apis/travelimpactmodel/docs/v1/flights:computeFlightEmissions/post 2026-07-13 0.5 https://skmtc.net/google/apis/travelimpactmodel/docs/v1/flights:computeScope3FlightEmissions/post 2026-07-13 0.5 https://skmtc.net/google/apis/travelimpactmodel/docs/v1/flights:computeTypicalFlightEmissions/post 2026-07-13 0.5 https://skmtc.net/google/apis/travelimpactmodel/docs/v1/flights:computeDetailedFlightEmissions/post 2026-07-13 0.5