Carbon (Week 1) Flashcards
1
Q
what is the number one cause of premature death worlwide
A
2
Q
Explain the statistics/implications for the temperature rise of earth
A
- 1 degrees is a QUARTER OF AN ICE age climate change
- the global mean temperature from industrial levels has increased from -0.2 in 1860 to a potential worst estimate over 1.2
- 3/4 of this driven by burning of fossil fuels
3
Q
what happens when fossil fuels are burned
A
- organic molecules release energy
- however CO2 is also released
4
Q
How can the carbon levels in the ice age be measured
A
-tubes of ice from Antarctica
-trapped in bubbles in this ice
5
Q
what are the ways the climate can be reconstructed
A
-shell chemistry, where the shells grow the water and environment at time of growth
-isotope geochemistry
6
Q
proof that CO2 caused high temperatures 50 million years
A
- alligators were frozen hehe
- sea level is between 5 and 25 m higher than now
7
Q
How can we solve this emissions issue?
A
-electrify EVERYTHING
-clean electricity and battery hydro storage
8
Q
the UK used how much electricity by wind
A
60%
9
Q
How does economics come into play
A
- solar 200x cheaper than 40 years ago
- wind and solar cheapest energy sources
