• account for 3% of the planet’s land areas

• consume more  than the countryside

Advantages for moving into the city:

• good for some  to recover

• poor  in the countryside

• clean energy: recycling of methane gas produced from 

For women:

• more likely to have late marriages

• better chance of getting a  at work

Downsides of moving into the city:

• possible to lose  because it is difficult to maintain previous lifestyle

• higher rates of  in the city than in the country

• poor quality of  in the city

Economic factors:

• Increased  in population results in increase in energy consumption.

• People find the heavy  stressful.