Carbon Footprints of growing a lettuce

Where do your lettuce seeds come from?

• Local

• Ship from mainland China

• Rail from mainland China

• Air from mainland China

• Air from the US

Which light sources would you use?

• Sunlight

• Light source from the bulbs

• Light source from LED lamps

What kind of fertilizers would you use?

• Chemical fertilizers

• Compost made from food residue at home

• Compost bought from shops

How would you prevent the lettuce from being damaged by pests?

• Catch them by hands

• Use nets

• Use nets and homemade pesticides

• Use nets and pesticides bought from shops

How do you carry the lettuce back home?

• New plastic bag

• Recycled bag

• Wrap with old newspaper

How do you get back home from school with the lettuce?

• By foot

• By school bus

• By MTR

• By bus

• By private car

How long does it take you to get back home from school?

• Within 30 min

• 1 hour

• 1.5 hours

• More than 2 hours

How would you eat the lettuce?

• Eat it raw

• Boil it on a gas stove

• Boil it on an electric stove

• Fry it on a gas stove

• Fry it on an electric stove

Which food would you pair with the lettuce on the same dish?

• Cherry radish

• Nuts

• Shrimps

• Beef

• Cheese

How much leftover or food residue is produced from your dish?

• None

• 5%

• 10%

• 20%