Consuming Resources

Natural resources- Those materials found in the natural world that are useful to man and that we have the technology and willingness to use

Material resource- A natural substance that humans choose to use

ALTERNATIVES 

Tar - sand oil ( non-renewable) Canada

• enormous reserves of tar sand oil 
• extraction= brings in money to companies
• could avoid the costs of switching to other fuels such as hydrogen
• extraction uses huge amounts of water = expensive
• mining creates water and visual pollution 
• oil is transported by ships which could cause pollution if damaged 
• open cast mining so forests are removed = habitats destroyed.. CO2 not captured

Bio fuels (renewable)

• CO2 absorebed when they are grown
• engines need little change to cope with bio fuels
• needs huge area of land to grow the crop 
• reduces habitat variety due to monoculture 
• deforestation of tropical forests in Borneo ----> biodiversity loss and…