According to what factor are environmental decisions prioritized?
ther risks that they pose to human health
name 2 sources of anthropogenic environmental change
- changes associated with land use
2. changes induced by emissions or residues
example of green engineering
IBM was forced to take back all discarded computers
3 main sources of environmental impacts when designing a product
- materials selection
- manufacturing process
- energy use
def. sustainable development
development that meets the needs of the present without compromising the ability of future generations to meet their own needs
def. industrial ecology
means by which humanity can deliberately and rationally approach and maintain a desrable carrying capactiy, given the economic and environmental situation
name 4 things industrial ecology should include
- circuclating and reusing material flow
- reducing the amount of materials used in a product
- protect living organisms by eliminating the flow of harmful substances.
- minimizing the use of energy and flow of waste heat back into environment
conservation of mass forumula
total mass flow in=total mass flow out + rate of mass storage
what is environmental engineering?
application of science and engineering principles to improve the environment
