Evidence for and causes of climate change

Question 1

climate change

Answer 1

large scale, long term shift in the planets weather patterns

Question 2

global warming

Answer 2

gradual increase in the overall temperature of the earths atmosphere

Question 3

quaternary periods

Answer 3

current geological period dating from 26 million years ago to the present day

Question 4

recent evidence for climate change

Answer 4

-shrinking glaciers and melting ice
-seasonal changes
-rising sea levels
-high ocean temperatures

Question 5

physical causes of climate change

Answer 5

-solar output, output of sun has increased
-volcanoes, clouds of ash stops suns rays

Question 6

human causes of climate change

Answer 6

-car exhausts, power stations
-fossil fuels
-agriculture and deforestation

Question 7

social effects of climate change

Answer 7

-sea level rise affects fishing jobs
-health declines in Africa as Malaria rates increase because of the heat
-drought puts pressure on food and water

Question 8

economic effects of climate change

Answer 8

-maize crop yields may fall
-flood risk causes damages to buildings
-ski resorts have shorter seasons due to less snow

Question 9

environmental effects of climate change

Answer 9

-more forest fires
-in rainforests higher levels of extinction
-wildlife such as penguins could decrease