Climate change Flashcards

1
Q

What human factors of climate change

A

fossils fuels , agriculture and deforestation

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2
Q

what are the physical factors of climate change

A

orbital changes , solar output and volcanic activity

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3
Q

how does fossil fuels cause climate change

A

burning fossil fuels releases carbon dioxide contribute to enhancing greenhouse gas effect

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4
Q

how does agriculture cause climate change

A

larger populations demand for meat and animal grazing releases methane into atmosphere

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5
Q

how does deforestation contribute to climate change

A

logging increases co2 as less photosynthesis occur

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6
Q

how does volcanic activity account to climate change

A

volcanic gasses and ashes cover sunlight so reducing global temperature acts as cooling effect

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7
Q

how does solar output contribute to climate change

A

sunspots increase every 11 years fewer sunspots in coldest periods

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8
Q

how does orbital changes contribute to climate change

A

changes in which the earth orbits the sun changes affecting where sun hits earth and how intense the sun is which controls seasons

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9
Q

suggest the four evidences for climate change

A
  • increase in temp by 1 degree every year
  • glaciers melting due to increase temperatures
  • rising sea levels by 19cm since 1900
  • warm ocean temperatures
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10
Q

suggest the four evidences for climate change

A
  • increase in temp by 1 degree every year
  • glaciers melting due to increase temperatures
  • rising sea levels by 19cm since 1900
  • warm ocean temperatures
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11
Q

what does increased temperature suggest to a persons health

A

can cause diseases such as skin cancer

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12
Q

how does climate change make difficulties for farmers

A

decreases crop yield and require more irrigation

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13
Q

what do droughts causes by climate change pose

A

reduce food and water supplies , water scarcity in southeast UK

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14
Q

what does increase flood risk cause

A

repair cost and insurance cost

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15
Q

how does low rainfall by climate cause problems

A

food shortages

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16
Q

what does sea level rising by climate changes mean

A

coastal erosion and flooding

17
Q

what are the two ways of managing climate change

A

mitigation and adaptation

18
Q

what are the 4 ways of mitigating climate change

A

afforestation , alternative energy produce , carbon capture and international agreements

19
Q

explain alternatives of fossil fuels and why fossil fuels are bad

A

fossil fuels emit greenhouse gas and contribute to global warming therefore using tidal/wind/solar energy , hydro-electrical , nuclear power and geothermal we can prevent this

20
Q

explain carbon capture

A

capturing carbon dioxide and storing it underground - 90% of industry emissions can be stored like this

21
Q

explain afforestation

A

planting trees store carbon dioxide due to photosynthesis and release moisture producing clouds which absorb solar radiation

22
Q

benefits to international agreements

A

agreements to agree on reducing emissions and create a substantial society

23
Q

name the three adaptations of climate change

A

managing sea levels rising , change agricultural methods and manage water supply

24
Q

how can we adapt to sea levels rising

A

implement coast defences , houses built on stilts so they are raised above ground , designating areas that cant be used for living , bunds to slow down water flow and trap sediment

25
Q

how can we change agricultural systems to adapt to climate change

A

use irrigation and resistant crops for maximum crop yield , educating farmers and water harvesting , use technology due to the distribution of pest and irregular rainfall patterns making areas unsuitable for crop growth and extreme weather hazards