Carbon Case Studies 3 Flashcards
(266 cards)
What percentage of CO2 emissions since the 1980s has come from burning fossil fuels?
75%
By what percentage have CO2 levels increased since 1750?
25%
How old are the rocks from which fossil fuels originate?
70-100 million years old
What percentage of the global energy mix is made up of fossil fuels?
85%
By how much has energy consumption risen since the 1990s?
50%
What percentage of China’s oil reserves is compared to Canada’s?
10%
What is the rate of biomass production called?
Primary productivity
What is Arctic amplification?
The Arctic region is warming twice as fast as the global average
What ecological change is occurring in the Arctic tundra due to warming?
Increase in shrubs and trees
Which animal is moving north and competing with the Arctic fox?
Red fox
What is predicted for the eastern and western Alps by 2100?
They could be ice free
What impact does the ice-free Alps have on Europe?
Reduces access to water
By what percentage did the northwestern Canada ice sheet shrink from 1960 to 2000?
22%
By how much is precipitation predicted to increase by 2100 in northwestern Canada?
20%
What river is predicted to flood due to increased precipitation in northwestern Canada?
Yukon River
What is the percentage of gas in the United Kingdom’s energy mix?
35%
What percentage of the United Kingdom’s energy mix is made up of wind power?
29%
What is the public concern in the UK regarding energy sources?
Nuclear and fracking
What does the privatization of the UK’s energy supply industry mean for energy sources?
Overseas companies decide which energy sources meet UK demand
What were CO2 emissions per capita in the UK in 1980?
11 tonnes
What were CO2 emissions per capita in the UK in 2015?
7 tonnes
What percentage of Norway’s energy mix is made up of hydropower?
90%