WEBQUEST2

1- WebQuest 2 (Answer in your BLOG)
WEBQUEST 2
First, look up the meaning of “carbon footprint.” Find it at timeforchange.org/what-is-a-
carbon-footprint-definition
1. Fill in the definition here:
The total amount of greenhouse gases produced to directly and indirectly support human
activities, usually expressed in equivalent tons of carbon dioxide (CO2).
2. Provide some examples (from the same website):
Amount of CO2 emitted by burning one liter of gasoline: 2.3 kg
Driving a car for 6 km: 16.56 kg of CO2
Creating 5 plastic bags: 
Producing a cheeseburger: 3.1 kg of CO2
Go to this website: footprint.wwf.org.uk/#/ and take the quiz on your carbon footprint.
3. Quiz results: What is your carbon footprint weight?8.3 tons What is the target weight
impact? 10.5 tons What percentage was in stuff 25%, travel 13%, food 25%,
home 37%
Go to Youtube and watch “Plants and animals can adapt to climate change, right?” so that you can
answer these questions.
4. When was the last time the Earth warmed up so fast? 56 millions years ago
5. What is the name of the current extinction event? is the anthropocene extinction
6. What will probably happen by 2050? 90% of coral reefs could be gone 
7. About what proportion of mammal species could disappear by 2100? 30% or 50% of all species could be extinguished
8. Which type of plant would probably grow faster with more CO2, weeds or crops? the video says weeds grows 3 times faster than crops with more CO2
9. How many dollars has climate change cost us in wheat and maize losses per year since
1980? around 5 billions dollars per year
Go to this website www.cbsnews.com/ e-disasters-at-once---> LINK BROKEN
study-warns/ so that you can answer these questions. 
10. According to a UN report, about how long do we have until climate change is irreversible?
__________
11. Give an example of negative changes we’re already seeing. __________
12. What would be the cost of ending the use of fossil fuels? __________