5 R's
Types of Waste
Landfills
Incineration & Waste-to-Energy
Hazardous & E-Waste
100

What is Reduce?

The most effective first step in managing waste.

100

 What is Municipal Solid Waste (MSW)?

Garbage collected from homes, offices, and schools.

100

What is a Landfill?

A site where garbage is buried and compacted.

100

What is Incineration?

 The process of burning waste to reduce volume.

100

 What is Hazardous Waste?

Waste that is toxic, flammable, corrosive, or reactive and can harm people or the environment.

200

What is Reuse?

Using an item again instead of throwing it away.

200

What is Industrial Waste? (ISW)

Waste produced by factories, construction, and mining.

200

What is a Liner?

 The protective barrier at the bottom of a landfill that prevents groundwater contamination.

200

What is reducing landfill space or generating electricity?

One benefit of waste-to-energy incineration.

200

What is E-Waste?

The fastest growing solid waste problem that includes old phones, computers, and electronics.

300

What is Recycle?

Turning used materials into new products.

300

What is E-waste?

The fastest-growing waste stream worldwide, including old electronics.

300

What is Leachate?

Liquid formed when water filters through waste and collects contaminants.

300

What is air pollution or toxic ash production?

One environmental concern of incineration.

300

What are Lead and Mercury?

 Two toxic metals found in e-waste that can harm workers and the environment.

400

What is Recovery?

Taking useful parts or materials from old products before disposal.

400

What is Hazardous Waste?

Waste that is toxic, flammable, corrosive, or reactive.

400

What is Methane?

A greenhouse gas produced when organic waste decomposes without oxygen.

400

What is Steam?

What is produced to spin turbines and generate electricity in waste-to-energy plants.

400

What is Bioremediation?

 A method that uses bacteria or enzymes to break down harmful chemicals.

500

What is Cradle-to-Cradle?

 A design system where products are reused in continuous cycles instead of ending up in landfills.

500

What is Compost?

 Organic waste like food scraps and yard trimmings that can improve soil.

500

What are methane emissions and leachate leakage?

Two environmental problems associated with landfills.

500

What is Ash?

 The leftover material after waste is burned that must be safely managed.

500

What are Produce less, Convert to less hazardous substances, and Store the remainder long-term?

Three priority steps for handling hazardous waste safely.

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