carbon footprint Flashcards

1
Q

what is meant by carbon footprint?

A

total amount of carbon dioxide and other greenhouse gases emitted over full life cycle of a product, service or event

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

how can we reduce co2 emissions in terms of cars?

A

instead of driving cars, we can reduce co2 emissions by using public transport such as buses or trains, they release less co2 per passenger

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

a lot of carbon dioxide is produced by generating electricty by burning fossil fuels, how can we reduce co2 emissions from this?

A

switching to renewable energy sources of electricty e.g. wind power

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

how can we reduce amount of electricity used at home?

A

switch to energy-saving lightbulbs, and turn off appliances at plug instead of leaving them on

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

why aren’t solutions to reduction of co2 emissions not actually used?

A

most solutions are expensive, and some cases ( like public transport) they’re convienient

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

how can we reduce methane emissions in terms of cattle?

A

cattle like cows release methane when they fart, we can reduce methane emissions by people eating less beef and dairy products

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

why wont the solution of people eating less beef and dairy to reduce methane produced by cattle actually work?

A

people enjoy eating dairy and beef and they will be reluctant to change

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

how can we reduce methane emissions in terms of landfill?

A

we can trap methane and burn it to produce electricity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

why is trapping methane and burning it to produce electricity a good idea?

A

methane is a more powerful greenhouse gas then co2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

why is trapping methane and burning it to produce electricity a bad idea?

A

it costs money

How well did you know this?
1
Not at all
2
3
4
5
Perfectly