More than 7 billion people and growing

1. More buildings

1.1. Less open space

1.1.1. Deforestation

1.1.1.1. Less natural space and destruction of habitats

1.1.1.1.1. More endangered species

2. More litter

2.1. Pollution

2.1.1. Plastic Waste

2.1.1.1. Health problems for the animals

2.1.2. Water Pollution

2.1.2.1. Toxic water may also kill off surrounding plant life

2.1.3. Soil Runoff

2.1.3.1. The soil absorbs the toxins litter creates and affects plants and crops

3. Less crop land

3.1. Less food

3.1.1. More hunger

3.1.1.1. malnutrition

3.1.1.2. More crimes

4. Unemployment

4.1. Economic problems

4.1.1. Poverty

5. More cars

5.1. More oil burned

5.1.1. More health and environmental problems

6. Less natural resources

6.1. Water

6.1.1. Drinking water shortage; food shortage

6.2. Oil

6.2.1. Less transportation; higher prices

6.3. Forests

6.3.1. Soil erosion, global warming extinction of species and loss of biodiversity