Resource Security from notes Flashcards
What is a resource?
Any aspect of the natural environment that can be used to meet human needs.
What is an example of a resource?
Fossil fuels
minerals
Water supplies
Renewables
What is Resource Security?
The ability of a country to safe guard a reliable and sustainable flow of resources maintain living standards of its population while ensuring ongoing economic and social development.
What is a stock?
non-renewable, finite supply, can be permanently expended ;measured in absolute amounts not rates
What is a flow?
Renewable: replaced with sufficiently short time span ; measured in annual rates generated.
What is primary Energy?
One that is used directly from the natural sources.
What is secondary Energy?
When a primary source transformed to make it suitable.
What are the positives of Natural gas?
Cleanest fossil fuel
Flexible (easy to use)
Increasing number of reserves
What are the negatives of Natural gas?
remote (offshore)
Difficult to transport -> investment in pipelines needed
What are the positives of oil?
Dependent on it for transport
Leading trading good (profitable)
Flexible
What are the negatives of Oil?
Volatile price
Environmental impacts - oil spills
geopolitical tensions
What are the positives of Coal?
Wider geographical distribution
Stable proce
New tech- less environmental impacts
What are the negatives of Coals?
Finite
Carbon particulates spoil heaps
Enhanced green house effect
What are the positives of Nuclear energy?
less atmospheric pollution
Energy efficient
Low maintenance costs
Predictable energy resource
What are the negatives of Nuclear energy?
high cost to build
Disposal of nuclear waste
Nuclear disasters (chenobel)