Waste Management
What is the most preferred method to reduce waste generation?
Source reduction and Reuse
What is a circular economy?
Keeps materials and products in circulation for as long as possible.
When was the Bhopal disaster?
1984
What is a carbon footprint?
the total amount of greenhouse gases that are generated by our actions
What is the greenhouse effect?
When greenhouse gases trap heat in the Earth's atmosphere, causing a warming effect.
What is energy recovery in waste management?
The process of converting non-recyclable waste into usable heat, electricity, or fuel.
What is the most preferred end of use management option?
Reuse
When was the Chornobyl disaster?
1986
What is the global average for one person's carbon footprint?
4.7 tons of CO2 per year
What do greenhouse gases cause?
Higher global temperatures
What are the processes for energy recovery?
Combustion, Digestion, and Landfill gas recovery
What is the least preferred end of use management option?
Landfill
When was the Exxon Valdez Oil Spill
1989
What is the largest component that contributes to a carbon footprint?
Energy use (39.3%)
Does the greenhouse effect occur naturally?
Yes
Landfills
What are the steps in the sustainable materials management's life cycle?
materials extraction, manufacturing, distribution, usage, and end-of-life management.
When was the Erika Oil Spill?
1999
What is considered the most powerful greenhouse gas?
Sulfur Hexafluoride (SF6)
What is the main cause of the human-enhanced greenhouse effect?
Burning fossil Fuels
List the waste management hierarchy from most preferred to least preferred.
source reduction and reuse, recycling/composting, energy recovery, and treatment and disposal.
What are the end-of-life options for products, from most preferred to least preferred?
Reuse, Recycle/Compost, energy recovery, and landfill
What are some of the issues that have contributed to the loss of biodiversity?
Global warming, air pollution, and the degradation of the ozone layer.
What act reduced the number of chlorofluorocarbons (CFCs) and Hydrochlororfluorocarbons (HCFCs) used?
The Montreal Protocol
Earth is about 60 degrees Fahrenheit at the surface; what temperature would it be without our atmosphere?
0 degrees Fahrenheit