With fewer people than expected, pollution should decrease from expected levels, as should consumption of oil.
The United States far outpaces any other country in the consumption of oil.
The problem comes if California shifts its consumption of oil to a more carbon-intensive source.
And second, global consumption of oil and gas will significantly increase.
Between 2005 and 2014, consumption of oil rose by 7.5%, coal by 24%, and natural gas by 20%.
Environmental groups also believe China's economic boom and its galloping consumption of oil and coal are contributing to global warming.
TO slow the swift rise in its consumption of oil, China could follow the European model: raise gasoline taxes.
In the Sky scenario, the world's consumption of oil would rise through 2025 before starting to decline.
Consumption of oil, which accounts for 34% of the world's primary energy by BP's calculations, rose by 3.1%.
With the Saudi population growing and becoming more prosperous, domestic consumption of oil is rising, leaving less for export.
