Passenger vehicles account for almost half of the carbon dioxide San Diegans create. Their driving habits emit carbon dioxide at a rate nearly 50 percent higher than the rest of the state.Note that SD's "one-half of the national average" statistic is probably due to the good weather down there (less A/C and heating). There's a high correlation between paradise and sustainability :)
Flights out of Lindbergh Field created 5 percent of the region's carbon dioxide. Electricity generation produced a quarter; burning natural gas in home heating and stoves produced 9 percent. While per-capita emissions have been steady since 1990, the population has grown and driven emissions up. (San Diegans on average emit half the carbon dioxide that their counterparts do across the nation, the researchers found.)
Local climate and energy experts said the inventory's established baselines for emissions will be vital for measuring progress as California launches carbon-reduction efforts called for by Assembly Bill 32, the landmark state legislation that mandates a return to 1990 atmospheric carbon-dioxide levels by 2020.
Bottom Line: You can't reduce what's not measured, but now SD knows what it has to reduce: driving.
hattip to DW