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2081907
Unit 2 topic 2 geography
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Mapa Mental sobre Unit 2 topic 2 geography, creado por Jack Spencer el 20/02/2015.
Mapa Mental por
Jack Spencer
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Unit 2 topic 2 geography
Abu Dhabi
30,000 hectares of land in Sudan for agriculture seeing as Abu Dhabi is a desert with limited water
The land was given to them free of charge in exchange for tech experties
good idea?
Yes because it give the country a food supply
They have good connections with Sudan
With food prices increasing and might have shortages they have enough food when it becomes hard to come by
Education
240 litre bins for food and drink cans
For recycling
Empty each week
Advise on reusing materials
Keeping a cardboard box next to printers
To be used as recycling boxes
free compost bins for fruit and veg peelings
And a garden waste collection
Thomas Malthus
1798 he wrote an essay about population
He said natural checks would decrease the population
He believed that humans job was to keep the population low
It would get to a manageable level before rising again
He believed that population grew exponentially (1,2,4,8,16 ect)
He believed the population would decrease from starvation
Ester Boserup
People shouldn't give in to disease and famine
worked in the united nations
She dint like natural checks
So she argued that food production doesn't limit or control the population
She claimed that growth controls farming methods
She used the term 'agricultural intensification' to explain how how farmers can get more food from the same field increasing their yield
Black gold
Peak gold
When oil production reaches it maximum
When it is reached oil prices will increase and become difficult to extract
The future
Renewable resources
Solar, wind
Huge increase in oil prices
Difficult to extract
Leads to wars over oil
Agreements made to secure oil from other countries
Reserves
Soon there will be less oil to extract with could cause wars
Oil consumption
In 1900, was 1 million barrels day of oil made
2011 is 87 million barrels a day of oil
America consumes 25% of the worlds oil
Predictions of 2030 is 116 million barrels a day
But industry say its impossible to produce 100 million a day
Hydrogen Economy
Advantages
Easy to split the water to hydrogen and oxygen
Can be done anywhere
Harmless to the environment
Disadvantages
Splitting takes a lot of electricity
End of crisis
Renewable so won't rely on fossil fuels and countries can be indipendant
Involves
Taking hydrogen and using it to make electrisity
What is it
Hydrogen is the most abundant element in the universe
Using hydrogen to power cells and create electrisity
Creates completely clean energy
Conservation
Reducing domestic energy consumption
UK government affered large subsides for installing private and commercial wind turbines and solar panels
House holds with PV panels get paid for every kwh of energy put on the national grid
Energy companies could get grants for building turbines
100% of grants
Available to low income houses
Or who live in an area with high fuel poverty
Loans - repaid instalments that are added to the house hold
These loans pay for house improvements
They are added to the electrical bill over a 7 year period
Recycling
To make six 1 litre plastic bottles require 1 kg of oil
Uk house holds are now recycling more than ever
In 2011 the percentage grew from 11% to 40%
Still means an average person disposes 263kg of waste a year
Half goes to land fill
UK made 7 million tonnes of waste in 2007 which could have been used to create new power
Government provide 80% of local authoring funds so its target aren't met, petunias can be taken
The amount of oil used in a bottle is enough to run a car for a year
Governments are giving authorities targets to reach
To increase the amount of recycling from energy 52% in wales plantIn 2012-13 to 70% in 2024-25
Solar power
Used to create electrical power
Be used to heat and cool living and work areas
Solar power generators increased by 85% in 2011
Solar power is growing quicker than any other renewable energy
By 2035 renewable energy will be accounting for a third of the worlds energy
Germany and Italy have the greatest increase
Reasons for increase of renewable energy resources
Low costs
Rising prices of fossil fuels
Government subsiding to renewable resources
Collected by using (PV) plants grouped in panels
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