Trash Talk Basics
What type of waste includes everyday household items like food scraps, packaging, and paper?
Municipal solid waste.
What does the first “R” in the 3Rs stand for?
Reduce
What harmful liquid forms when water filters through waste in a landfill?
Leachate
What term describes shipping e-waste from wealthy nations to developing countries?
Waste export.
What is composting primarily used to manage?
Organic waste.
What type of waste includes materials that are toxic, corrosive, flammable, or reactive?
Hazardous waste.
Which “R” involves turning used materials into new products?
Recycle
What greenhouse gas is commonly produced by decomposing waste in landfills?
Methane
What international agreement regulates hazardous waste movement between countries?
The Basel Convention.
What type of landfill is designed with liners and monitoring systems to reduce pollution?
Sanitary landfill.
If a discarded smartphone contains heavy metals like lead and mercury, what category of waste does it belong to?
E-waste.
Why is reducing waste considered more effective than recycling?
It prevents waste from being created in the first place.
How can improper disposal of hazardous waste affect nearby communities?
It can contaminate drinking water and increase health risks.
Why is exporting e-waste problematic for developing countries?
It exposes workers and communities to toxic substances.
How does extended producer responsibility (EPR) help reduce waste?
It makes manufacturers responsible for disposal or recycling of their products.
Why is hazardous waste more dangerous than municipal waste when placed in a landfill?
It can leak toxic chemicals into soil and groundwater.
Bringing a reusable water bottle instead of buying plastic bottles is an example of which strategy?
Reduce
Why are open dumps more environmentally harmful than sanitary landfills?
They lack liners and systems to prevent pollution and gas release.
How does population growth contribute to increased land pollution?
It increases waste generation and consumption.
Why can composting reduce methane production compared to landfill disposal?
Composting allows organic waste to decompose aerobically instead of anaerobically.
A community mixes batteries, food waste, and old computers in the same landfill. What long-term environmental issue is most likely to occur and why?
Soil and groundwater contamination due to toxic heavy metals and chemicals leaching over time.
If a city focuses only on recycling but ignores reducing consumption, why might landfill waste still increase?
Because overall waste production may exceed recycling capacity.
A landfill is built without protective liners in a rainy region. Predict one major environmental consequence and explain why.
Groundwater contamination due to increased leachate movement into soil and aquifers.
If a country bans plastic bags but consumption habits remain unchanged, why might land pollution persist?
Consumers may switch to other single-use materials that still generate waste.
A city invests in composting, recycling, and public education. Which strategy is most likely to produce long-term waste reduction and why?
Public education, because it changes consumer behavior and reduces waste at the source.