Are you sure you're looking at New York versus California, not New York State versus California? Look up the Berkeley cool climate carbon footprint map. Most of SV is 50-90 metric tons per household per year. Manhattan is 25-40. My parents zip code, in suburban DC is 92. My zip code, in downtown Baltimore is 34. My old zip code in downtown Chicago is 37.
And unlike California, those cities require winter heat and simmer cooling. Manhattanites spend about 1/6 carbon budget on transportation as someone in say San Jose.
And unlike California, those cities require winter heat and simmer cooling. Manhattanites spend about 1/6 carbon budget on transportation as someone in say San Jose.