human systems and resource use Flashcards
changing value of natural captial
cork forests - once used for bottle caps but now plastic is used
lithium has become valuable
how can you value natural capital
ecological funtioncs
economic functions
recreational functions
circular economy model
raw materials
sustainable design
use
recycle or reuse
methods of waste disposal
dumping
landfills
incineration
recylcing
composting
pros and cons dumping
waste left out in open
- leeching
- easy
- not sustainable
- visual eyesore
pros and cons landfill
placed in large area - pits lined to stop leeching
vents to capture esapcing gases
- still can leech or release gas
- eye sore
- micro plastics
- some management
pros and cons incineration
waste is burnt
- expensive to build
- use of more energy
can realsease gases
chemicals produced - dangerous
pros and cons recycling
some materials cannot be recyled
manufactures dont like it
investment
expensive
sustainable
pros and cons composting
green waste buried
sustainable
good for plants and farms
provides nutrients
hard to maintain
doubling time
70 / natural increase rate
what does growth in human population cause stress on
sewage
deforestation
desertification
grazing
pesticides
calculation for NIR
CBR - CDR
what are human pollution management strategies
reduce consumption
compost food waste
reduce packing
legislation
taxing
education
why can carrying capacity with humans become problematic
require larger amount of resources - range it greater
great innovation - in substituting resources
tech developments
imports and exports of resources
resources requirement is dependent on lifestyle
how can ecological footprint be reduced
reducing use of resources
recyling
efficiency
reducing population
using tech
