Intro lecture Flashcards
1
Q
how much warmer than today was the Cambrian explosion?
A
13/14
2
Q
how much colder than today was the permian glaciation?
A
-4
3
Q
what was the global mean co2 abundance in 2016?
how much %higher than pre industrial?
A
403ppm
50% higher than preindustrial co2 concentration of 278ppm
4
Q
who was the first to claim that fossil fuel consumption may result in enhanced global warming and when?
A
Svante Arrehenius 1896
5
Q
in 2018 how much did us co2 emissions rise by after three years of decline?
A
3.4%
