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Carbon footprint

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• The carbon footprint measures the amount of greenhouse gases (GHGs) produced, measured in carbon dioxide equivalents (in tonnes). </aside>

[22 April 2021]

[22 April 2021]

• Transcript

[20 June 2017]

[20 June 2017]

• Transcript

To get this one sandwich, we've released 800 grams of CO2 equivalent. That's enough gas to fill 100 gallon jugs. Eat one of these sandwiches every day for a year, and you'd release the same amount of CO2 as you would if you drove a car from New York to Chicago.

1. Which element of the BLT has the greatest carbon footprint?

Water footprint

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• The water footprint measures water use (in cubic metres per year). </aside>

[21 December 2018]

[21 December 2018]

• Transcript

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1. What is your water footprint?