Environment

1. side effects

1.1. global warming

1.1.1. greenhouse effect

1.1.2. ozon layer rips out

1.1.3. warmer seas

1.1.3.1. disapperness of fish

1.2. endangered species

1.2.1. polar bears

1.2.2. gorillas

1.2.3. lions

1.2.4. elephants

1.3. ilnesses

2. solutions

2.1. alternative energy

2.2. changement in transportation

2.2.1. bike

3. air pollution

3.1. acid rain

3.2. car fumes

4. contamination

4.1. rubbish

4.2. water pollution

4.3. natural disasters

4.4. overconsumption of fossil energy