First test Flashcards
Biodegradable vs. Non-biodegradable
vegetal/animal matter vs. inorganic matter like plastic, glass, metal
Persistent or nonbio-degradable define:
remains dangerous for a long time
Persistent or non-bio-degradable examples
plastic-straws and tin cans
Bi-accumulative define:
accumulates as it continues through the food chain
Eco-toxic example
used engine oil
damage to the environment
Eco-toxic define:
Carcinogenic define:
causes cancer
Carcingoenic example
asbestos
Biological wastes example
human sewage
Hazardous wastes examples
solvents used in paint, chemicals in some cleaning products
Need to embrace the 3 R’s:
Reuse, recycle, reduce
_____ and ____ is required to change the tide of waste in today’s world
leadership and education
Burying waste takes ____ centuries to decompose
several
Burying wastes often creates _____ gas
methane
methane gas is _____ and does contribute to ______ effect
explosive, greenhouse
Incinerating plastics creates toxic substances called
Dioxins
Hydro power doesn’t not produce what? (2)
emissions or solid waste
Hydro power concerns:
disrupt fish migration, displace people and wildlife
Most commercial scale dam sites have been constructed in what area?
The united states
Geothermal means
“Earths Heat”
Two main types of geothermal power
high-temp geothermal heat AND low-temp geothermal heat
Yellowstone national park is an example of what heat?
high-temp geothermal heat
Low-temp geothermal energy define
thermal energy from the sun is absorbed by the upper layers f the earth surface
Naturally occurring heat is used in two main ways:
- direct use 2. generation of electricity
Direct use of heat:
wells are drilled to bring hot water to surface
Direct use of heat: over ____ countries used geothermal energy
72 countries
____ is the world leader in geothermal energy
Iceland
over ____ percent of Icelands home are heated with direct use geothermal energy
93 percent
what is one of the cleanest cities in the world?
Reykjavik, Iceland
Downside of Geothermal electricity generating?
geothermal resolvers may become depleted
renewable energy source from biological material such as wood or waste
Biomass define:
Biomass examples:
wood, dung, and other bio mass materials used for cooking and heat
Biomass is considered to the be the ____ largest amount of renewable energy in the country
second
Bioconversion uses:
plant and animal waste
Bioconversion produces
biofuels, like natural gas and oil
_____ is now being used for ethanol distilleries to produce biogas
Corn
Corn is being used as a ____ crop
food crop
Green energy define:
produced in a more sustainable manner
guarantees electricity comes from sustainable energy sources
Eco-label define:
measure of impact of individuals and businesses have on environment and on climate change
Carbon footprint define:
Carbon footprint is expressed in what?
Tons of carbon dioxide that you contribute in a set time period, usually a year
Your personal lifestyle choices affects the carbon dioxide atmosphere? T OR F
True
You cannot _____ _____ your carbon footprint
Wipe out
imported electricity generated from qualified sources, meets standards defined in both importing and exporting country
Imported Green Energy define:
Carbon offsetting is a ____ concept.
popular
companiesor individuals “make-up” for the carbon dioxide created by their actions
companiesor individuals “make-up” for the carbon dioxide created by their actions Carbon offsetting define:
All human actions have an impact on the environment T OR F?
True
of a domestic sheep/long-haired goat, especially after having been sheared
of a domestic sheep/long-haired goat, especially after having been shearedFleece: Woolen Coat define:
a synthetic or polyester fabric that is spun into a soft weave for a range of uses
a synthetic or polyester fabric that is spun into a soft weave for a range of usesPolar fleece define:
Polar fleece examples:
outdoor gear, hiker gear
Recycled items have been given ____ lives
new/repurposed
most landfills contain more ____ than anything else
Paper
Most landfills contain about ___ percent of paper
40 percent
Compacted paper does deteriorate well? T OR F
False, it doesnt’
over ____ million plus ____ around the world
28, cars
over ____ percent of car components are now recycled
80 percent
Remaining 20 percent of car components that are not recyclable are called what?
Auto shredder residue, which most fills landfills every year
Can you use tires for other things once they are done being used on cars? T OR F
True
Are we able to recycle glass?
yes
Glass containers are crushed in a _____
cullet