Human Causes of Climate Change case study

Question 1

What are the three cause of climate change?

Answer 1

• agriculture
• deforestation
• fossil fuels

Question 2

How does agriculture cause climate change?

Answer 2

• major emitters of methane
• counts for 20% of global greenhouse gas emissions
• 1 cow can produce 50 litres of methane a day
• growing crops such as rice as the crops produce microbes which break
• increased as countries develop

Question 3

How does deforestation cause climate change?

Answer 3

• on a huge scale
• if continued, rainforests will be cut down in 100 years
• no trees = no photosynthesis - no CO2 absorption + they release their stored CO2 when cut down/burnt

Question 4

How does fossil fuels cause climate change?

Answer 4

• account for 50% greenhouse gas emissions
• burning coal, oil and natural gas
• releases CO2 into atmosphere
• industry, heating homes, transportation, energy production
• increased as countries develop