Webquest 2

 

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: ___0.39 kg___

Creating 5 plastic bags: __1 kg____

Producing a cheeseburger: __3.1 kg____

>>>>>>>>>>>>>>>>>>>>>> O <<<<<<<<<<<<<<<<<<<<<

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? ___This happened about 55 million years ago.___

5.            What is the name of the current extinction event? _the name current extinction is Anthopocene extinction _________

6.            What will probably happen by 2050? ___ probably happen by 2050 that 90 percent of coral reefs, the nurseries of the sea it's over _______

7.            About what proportion of mammal species could disappear by 2100? __ the proportion of mammal species that could desappear is 1/5 this. ____

8.            Which type of plant would probably grow faster with more CO2, weeds or crops? ___the weeds to grow faster, up to three times faster than crops.___

9.            How many dollars has climate change cost us in wheat and maize losses per year since 1980?

           ___half a billion dollars ___

 

10.         According to a UN report, about how long do we have until climate change is irreversible? 

            _____ According the UN report ,we have  until 2030 fot the climate change be irreversible _____

11.         Give an example of negative changes we’re already seeing. ___some change negative are  forest fires, floods, extreme weather changes and economic changes_______

12.         What would be the cost of ending the use of fossil fuels? __ the cost of ending use of fossil fuels would 54 trillion dollars ________