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Rocket clouds

1. Recycling

1.1. definition

1.1.1. this process of converting waste products into new products to prevent energy usage and comsumption of fresh raw materials

1.2. pros

1.2.1. reducing enerfy usage

1.2.2. reducing volume of landfills

1.2.3. reducing air and water pollution

1.2.4. reducing greenhouse gas emissions

1.2.5. preserving natural resources

1.3. cons

1.3.1. handle some certain types: plastics, paper, metals, glass

1.3.2. costly to recycle glass and plastics

2. Landfill

2.1. definiton

2.1.1. collect and dump the garbage in open area out of the city

2.2. pros

2.2.1. easy and cheap

2.2.2. can handle large quantities of waste

2.3. cons

2.3.1. large burial area

2.3.2. contaminate the air and the ground water which pollutes the environment

3. Combustion

3.1. Definition

3.1.1. Burn municipal solid wastes - convert into heat and energy

3.2. Pros

3.2.1. handling most types of waste

3.2.2. recycling metals

3.2.3. reducing the quantity of waste in landfills

3.3. cons

3.3.1. generating smoke

3.3.2. discouraging waste reduction

3.3.3. expensive