Year 8 End Of Years Flashcards
(11 cards)
What is the evidence that global climate is changing?
Tree rings
Ice cores
Historical souces
How are humans enhancing the greenhouse effect?
We are cutting down trees and plants and burning fossil fuels
What is the role of the carbon cycle?
The process of how carbon passes through the atmosphere to living things
Who can you blame for climate change
China are biggest carbon emmitors, however USA use China for their products. But Australia have the most per person
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How does climate change affect the U.K?
Flooding may occur, along with extreme weathers that vary from cold to hot. Bugs don’t die in Winter due to warm winters. These bugs can eat and kill plants
What are the consequences for the maldives
Less fresh water, sea levels rise endangering their land as it may be engulfed by it.
How cam homes be more sustainable?
Sedum roof to collect rainwater for appliances
Large windows to promote natural sunlight
300mm thick insulated walls to trap heat
Air cows as AC on roof
What are the costs and benefits of renewable energy sources?
Renewables are natural sources of energy that are infinite and clean
Combats climate change
Cheap to run
Disturbs wildlife
And doesnt meet demand for energy produced
Expensive to build and start
Examples of renewable energys
Solar energy
Bio energy
Geothermal emergy
Wind turbines
Swansea tidal lagoon?
Good source of energy by water turbines because of high tides
Good tourist attraction
Can power 100,000 homes
Opens up jobs
However it is ver very very expensive to build and will take decades