Climate Change

Question 1

Climate change evidence

Answer 1

-ice cores (drilling and analysis of the gases)
-tree rings (thickness)
-ocean sediments
-melting ice
-sea level rise (+24cm since 1800)
-seasonal changes (birds migrating early)

Question 2

Natural causes of climate change

Answer 2

-orbital changes (solar radiation the earth receives varies) circular to elliptical
-solar output
-volcanic activity

Question 3

Human causes of climate change

Answer 3

-combustion of fossil fuels
-deforestation
-agriculture (methane)

Question 4

Adaption to climate change

Answer 4

Living/ coping
-change agriculture
-prepare for sea level rise (sea walls)
-water supply DROUGHT

Question 5

Mitigation to climate change

Answer 5

Reducing the cause
-alternative energy
-carbon capture (capturing co2 and transporting to safe places)
-afforestation
-international agreements (Paris climate change agreement 2015), 195 parties signed