Resource Management Flashcards
What is a Resource?
A supply or stock of something which has value and purpose to humans
Why is there more water in the West of the Uk than the East?
There is more rain because of the higher altitudes
What is energy security?
When a country is self reliant with energy
What are the advantages and disadvantages of renewable energy?
advantages: cheap, clean energy
disadvantages: reliant on environment, expensive to build
Why has there been a change in energy consumption?
Advances in technology, population increase, economic development
What was the UK energy consumption in 2015-2016?
Transport 40%
Domestic 29%
Industry 17%
Services 14%
What is the UK trying to ban by 2035?
The selling of diesel and petrol cars, this is because transport is the biggest consumer of energy
How can you reduce your energy cost in your home?
Don’t leave taps running
Get better insulation
Insulate lofts
Close curtains at dusk
How can businesses reduce their cost of energy?
They can use up to 40% less energy on heating by getting better insulation and blocking draughts. Turning lights off in rooms which aren’t used and monitoring temperatures in rooms
How does carbon capture work?
Trapped CO2 is compressed and then it is injected into the ground using old oil/gas wells. It is then trapped inside the rocks forever
What are the advantages and disadvantages of carbon capture?
Advantages: keeps carbon under the ground for millions of years
Disadvantages: costs electricity so is expensive
What is combined heat and power and what does it do?
Heat from power stations is used to heat homes or businesses. It can also be used in small scale
What is a biogas?
A fuel which is produced when organic matter is broken down by microorganisms in the absence of oxygen
Give an example of a small scale renewable energy scheme
Biogas in India
How does the biogas production work?
Takes a waste product and other materials which then rot and ferment in a digester. This released methane which can be used to burn in homes for cooking and heating