Environmental management

Question 1

Define renewable.

Answer 1

If from a source that does not run out when it is used. It is also called: infinite, flow or income energy resources.

Solar, wind, geothermal…

Question 2

Define non-renewable.

Answer 2

Is from a source that runs out when it is used. It is also called: finite, stock or capital energy resources.

Fossil fuels (oil, coal, gas,) and nuclear.

Question 3

What is non-critical renewable energy?

Answer 3

Renewable energy resources have unlimited availability. They are ‘everlasting’ and we do not need to worry about the rate at which they are used. (e.g. Solar, tidal, wave).

Question 4

What is critical renewable energy?

Answer 4

Renewable energy resources that require careful management as they can be used up at a faster rate than they are being replaced (e.g. energy produces from wood, biomass and animals wastes).

Question 5

What is energy security?

Answer 5

Energy security is having ongoing access to a reliable supply of energy sources that a country requires for its needs now and into the foreseeable future.

Question 6

Why has energy consumption decreased in the UK?

Answer 6

Energy efficiency has generally increased. Most peoples’ homes are energy efficient (double glazing, LED light bulbs). Transport is more efficient, increase in availability that thus affordability of electric cars.

There has been a decline in UK industry due to outsourcing. For example, production of Chinese still led to the decline of the UK steel industry. Margaret Thatcher closed the UK coal industry.

Question 7

How has the UK’s energy mix changed?

Answer 7

A national mission for zero-carbon electricity system by 2030.