Climate change

Question 1

Evidence of climate change since the quaternary period?

Answer 1

Seasonal changes
melting ice and shrinking glaciers
Sea levels rising

Question 2

Mitigation techniques

Answer 2

International agreements
carbon capture
planting trees
alternative energy production

Question 3

What is carbon capture?

Answer 3

Designed to reduce emissions of CO2 released from power stations burning fossil fuels. It involves trapping CO2 and transporting it to a safe place where it can be stored

Question 4

How does an international agreement help reduce CO2 emissions?

Answer 4

The Paris agreement aims to reduce greenhouse gas emissions and limit global warming. It came into action on the 4 of November 2016. Each country in the agreement has submitted a pledge on how much they will reduce greenhouse gas emissions by, the UK has agreed to 40% by 2030.

Question 5

adaptation strategies?

Answer 5

changing agricultural systems
managing water supply
coping with rising sea levels

Question 6

What are ways to change agricultural systems that cope with the new climate?

Answer 6

1) we may have to plant new crop types that are more suited to the new climate and conditions in an area
2) In some areas biotechnology is used to make new crop varieties that are more resistant to extreme weather

Question 7

What are ways to manage the water supply used by people?

Answer 7

1) water meters can be installed in homes to stop excessive use of water
2) rainwater and wastewater can be collected and reused

Question 8

How can we cope with rising sea levels?

Answer 8

1) Better flood warning systems are being put in place as well as physical defenses
2) In places that can’t afford expensive defenses they are making raised flood shelters and building house embankments.