Products
01 Breeding of Crops and Animals
For thousands of years farmers have been selecting and keeping the seed from their best plants and using it to create next year’s crop. Similarly, farmers have been putting together...
Price £3.00more info
02 Energy efficiency of food production systems
Introduction Economic: Farmers have to be able to make a profit. Thus, the cost of their inputs must be less than the money they receive from selling their outputs – the products. B...
Price £3.00more info
03 Hydroelectric Power
Hydroelectric power provides 24% of the world’s electricity. Plants range in power output from a few hundred kilowatts up to 10,000 megawatts. The US is world leader in HEP production. ...
Price £3.00more info
04 Ionising Radiation
What is ionising radiation? A bit of GCSE science revision: Elements can exist in different forms, known as isotopes. Different isotopes of an element have the same number of protons in the nu...
Price £3.00more info
05 Rice Production
Introduction Rice is the most important food crop and a staple food for 40% of the world’s population. More than 90% of rice is grown and consumed in Asia. It accounts for a third o...
Price £3.00more info
06 Genetic Engineering
A transgenic organism is an animal or plant into which a gene from a different species has been inserted. Examples of transgenic animals: • Pharming: insertion of genes from humans in...
Price £3.00more info
07 Forest Production: - mangroves & cost-benefit analysis
Introduction All over the world mangrove ecosystems are threatened with destruction. Mangroves are a unique tropical ecosystem which occur most often along protected coastal shores with m...
Price £3.00more info
08 Energy Use - ethical implications
There are ethical implications not only to do with the amount of energy we use, but also the source of that energy. There are two important considerations: 1. How does our energy use affe...
Price £3.00more info
09 Planning and Green Belts
Introduction In 2002 the government began a thorough review of the planning system. They published a consultation paper – a report on how the planning system works with many propose...
Price £3.00more info
10 Smogs and Inversions
Introduction There are two types of smog: 1. Smog caused by suspended particulate matter (SPM), which is often associated with sulphur compounds released when fossil fuels are burned. 2...
Price £3.00more info
