Resources Flashcards
Types of natural renewable resources
Timber
Water
Food
Rubber from tree sap
What have chemists developed to reduce the amount of energy required for industrial processes
Catalysts
What are ways to improve the sustainability of copper rich ores
By extracting it from low grade ores
Bioleaching
Phytomining
Why should we recycle metals
Used much less energy than is needed to mine and extract new metals
It conserves the finite amount
Cuts down on waste
How is glass recycled
It’s crushed and then reshaped
What are the 4 stages looked at in life cycle assesseements
Getting the raw materials
Manufacturing and packaging
Using the product
Product disposal
Energy use and pollution amount
Waste products
What kind of method are life cycle assessments not
Objective
As it takes into account the values of the person carrying out the assessment = bias
