Tipping Points

Question 1

Arctic Sea ice

Answer 1

Free ice above 1.5
BARI = 1.6
AWSI= 6.3

Question 2

Greenland Sea Ice

Answer 2

Tipping point is 1.6 over 1000 yrs

Question 3

Ocean Atmospheric Circulation

Answer 3

threshold of 1.8 over 10 years

Question 4

Amazon rainforest

Answer 4

threshold of 3.5 over 100 years

Question 5

low latitude coral reefs

Answer 5

IPCC says loss of reefs at 1.5 and total loss at 2
threshold at 1.5

Question 6

West Atlantic ice sheet

Answer 6

currently irreversible ice below sea level

Question 7

Antarctic sub glacial basin

Answer 7

tipping point at 3
collapse at 3-4

Question 8

mountain glaciers

Answer 8

complete loss at 1.5-2 over 200 years

Question 9

AMOC

Answer 9

collapse at 4 over 50 years

Question 10

Boreal forest

Answer 10

shifts may start at 1.5
threshold at 4 over next 100 years

Question 11

Sahel Vegetation and west African monsoon

Answer 11

threshold of 2.8 over next 50 years

Question 12

Free ice above 1.5
BARI = 1.6
AWSI= 6.3

Answer 12

Arctic Sea ice

Question 13

Tipping point is 1.6 over 1000 yrs

Answer 13

Greenland Sea Ice

Question 14

threshold of 1.8 over 10 years

Answer 14

Ocean Atmospheric Circulation

Question 15

threshold of 3.5 over 100 years

Answer 15

Amazon rainforest

Question 16

IPCC says loss of reefs at 1.5 and total loss at 2
threshold at 1.5

Answer 16

low latitude coral reef

Question 17

currently irreversible ice below sea level

Answer 17

West Atlantic ice sheet

Question 18

tipping point at 3
collapse at 3-4

Answer 18

Antarctic sub glacial basin

Question 19

complete loss at 1.5-2 over 200 years

Answer 19

mountain glaciers

Question 20

collapse at 4 over 50 years

Answer 20

AMOC

Question 21

shifts may start at 1.5
threshold at 4 over next 100 years

Answer 21

Boreal forest

Question 22

threshold of 2.8 over next 50 years

Answer 22

Sahel Vegetation and west African monsoon