climate change

Question 1

what is climate change?

Answer 1

unequivocal

Question 2

what period do we take information from?
[last 2.6 million years]

Answer 2

quaternary period

Question 3

how much have tmeps raised since 1800

Answer 3

0.85 degrees

Question 4

evidencde for climate change:

Answer 4

• tree rings [ grow thicker in warm, wet conditions]
• shrinking glaciers
  [artic glacier - 65% smaller]
• ice cores [proxies]
  snow falls and preserved gasses inside it
• temperature records = increasing

Question 5

climate change NATURAL causes:

Answer 5

-** volcanic activity**
[volcanic material/ash can block the sun = temps drop]
[can reflect radiation]
**- solar acitvity **
[spot cycle, dark patches of intense radiaion/energy = INCREASE TEMPS]
- orbital change
- how much solar radiation/energy hits the earth
-

Question 6

climate change human activities:

Answer 6

• burning fossil fuels
• farming
• de forestation
• cement production

Question 7

climate change effects on the enviroment:

Answer 7

• increased draught
• wild fires
• glaciers shrink & ice sheets melt = sea level rise
• coral reefs bleaching & decrease in biodiversity e.g Great barrier reef
• increased flooding & coastal ereosion e.g Holderness

Question 8

climate change affect on people:

Answer 8

• deaths due to heat
• smaller crop yeild = less income and food
• drought reduces food and water supplies e,g Africa
• increased chance of skin cancers/stoke

Question 9

ways to reduce the cuases - mitigration:

Answer 9

• planting trees
• carbon capture
  [store it underground instead]
• alternative energy production
  [renewable]
• international agreements
  [EU & UK agreed to reduce CO2 emmisons by 40% by 2030 ]

Question 10

primary effects of the beast form the east UK:

Answer 10

• 10 deaths
• snow drifts up to 7m high

Question 11

secondary affects of the beast form the east:

Answer 11

• thousands of schools closed
• british airways canceeled hundresds of flights
• farmers lost crops
• ppl stuck in traffic for hours e.g A31 & around8,000 crashes

Question 12

responsed for the beast form the east:

Answer 12

• dirvers given foil blankets = for cold
• met office issued red warnings
• 10 RAF 4x4 verchile transpoted health staff
• greggs delivery van giving out free food on the A1