Ocean Pollutoin

1. Causes

1.1. oil spills

1.2. Land-based run-off

1.3. sewage

1.4. industrial waste

1.4.1. Toxic chemicals

1.4.2. Mercury

1.5. Poor waste management

1.5.1. Plastic

1.5.2. Littering

2. Effects

2.1. Environment

2.2. Human heakth

2.3. Economic

3. Solutions

3.1. Recycle

3.1.1. plastic

3.1.2. sewage

3.2. control of individual discharge

3.3. reducing energy using