WebQuest 2

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 dioxide(CO2).

2. Provide some examples (from the same website):

•       Travel by public transportation (train or bus) a distance of 10 to 12 km (6.5 to 7 miles)

 -Drive with your car a distance of 6 km or 3.75 miles (assuming 7.3 litres petrol per 100 km or 39 mpg)

 -Fly with a plane a distance of 2.2 km or 1.375 miles.

 - Operate your computer for 32 hours (60 Watt consumption assumed)

 - Production of 5 plastic bags

 -Production of 2 plastic bottles

-Production of 1/3 of an American cheeseburger (the production of each cheeseburger emits 3.1 kg of CO2)

 

3. What is your carbon footprint weight? 10 tonnes   What is the target weight

impact? 0%   What percentage was in stuff 31%, travel 26%, food 17%,

home 26%?

 “Plants and animals can adapt to climate change, right?” n

 

4. When was the last time the Earth warmed up so fast? 55 million years ago

5. What is the name of the current extinction event? Anthropocene extinction

6. What will probably happen by 2050? 90% of coral reefs could disappear by 2050

7. About what proportion of mammal species could disappear by 2100? 1/5 of all species on earth could be extinct.

8. Which type of plant would probably grow faster with more CO2, weeds or crops? Weeds, as they grow up to 3 times faster than crops.

9. How many dollars has climate change cost us in wheat and maize losses per year since

1980? Since 1980, it is estimated that climate change has already cost us an average of 5 billion dollars annually in losses of wheat and corn.

 

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?

According to a UN report, we have little more than a decade to reduce the amount of carbon dioxide, if we do nothing about it, the consequences can be fatal.

11. Give an example of negative changes we’re already seeing. One negative impact of global warming is the drying up of many rivers and lakes

12. What would be the cost of ending the use of fossil fuels?  The estimated cost is 54 billion dollars.