As economies advance, they require more energy. Given today's focus on greenhouse gases, coal usage will decrease. Natural gas is plentiful and is easily used for heat and as a feedstock for chemical production. Petroleum is also readily available and can be converted to energy and chemicals.
Explanation: All three resources are transportable and sources are located across the globe. However they require transportation to areas which don't have ready access. This requires roads, railways, pipelines and ships.
As economies advance, they need a lot of energy. Given today's target greenhouse gases, coal usage can decrease. fossil fuel is plentiful and is definitely used for warmth and as a feedstock for chemical production. fossil oil is additionally pronto obtainable and might be regenerate to energy and chemicals.
People here in America are used to more personal space because it is not over populated. But in other countries with crowed houses and overpopulation you would not even be able to walk in your own space.
