LCAs are carried out in order to assess the ________ impact of p______ , p______ and s______?
environmental impact of products processes and services
1 of 44
We assess the impact on 4 main stages of an LCA what are they?
-extracting raw materials
-manufacturing/packaging/distributing
-using/reusing/maintaining
-recycling and disposing
2 of 44
What are two types of bags?
paper and plastic
3 of 44
PLASTIC BAG
-----------------
What is stage one of the LCA?
Extracting raw materials
4 of 44
For plastic, what is needed?
crude oil
5 of 44
What type of material is this?
finite (runs out)
6 of 44
Crude oil is also what type of energy source?
non-renewable
7 of 44
It requires multiple _______ but produces little _____?
processes
waste
8 of 44
The extraction of crude oil could also destroy?
habitats
oil leak
9 of 44
PAPER BAG
------------
This is made from what material?
wood
10 of 44
Wood is what type of source?
renewable
11 of 44
Collecting wood could destroy?
habitats
12 of 44
Since the bags need to be strong?
a lot of wood is needed
13 of 44
It also produces a lot of ______ waste?
unusable
14 of 44
What is stage 2 of the LCA?
Manufacturing and packaging
15 of 44
What is required for the plastic and paper bag?
machinery
16 of 44
This uses a lot of?
energy
17 of 44
They are also both packed in what?
cardboard boxes
18 of 44
PLASTIC BAG
-------------------
What is the third stage of the LCA?
Use/ reuse
19 of 44
Plastic bags are _____?
strong
20 of 44
This means they can be ?
reused
21 of 44
As what (2)?
bin liners
shopping bags
22 of 44
PAPER BAGS
----------
Paper bags are quite?
weak
23 of 44
This means they can only be?
used once
24 of 44
PLASTIC BAGS
---------------
What is the 4th stage of the LCA?
Disposal
25 of 44
Plastic can be ______ and turned into a _____ product?
recycles
new
26 of 44
However this will require?
energy
27 of 44
Plastic is also not ?
biodegradable
28 of 44
And if taken to landfill?
it will pollute land
29 of 44
PAPER BAG
----------------
Paper bags can be?
recycled
30 of 44
But this does require?
energy
31 of 44
Paper is also __________ and non-______?
biodegradable
non toxic
32 of 44
It also causes no damage?
to environment
33 of 44
TRANSPORT AND DISTRIBUTION THROUGH ALL STAGES OF LCA-PLASTIC BAG
---------------------------
The crude oil would have to be transported from the ____ to the _______ plant?
rig
processing
34 of 44
Th bags would then have to be distributed from ________ to the ____?
manufacturer
shops
35 of 44
PAPER
------------
The wood would have to be transported from the ____ to the ______ plant?
forest
processing
36 of 44
The paper bags would then have to be _____?
distributes
37 of 44
ISSUES
------------
Many parts of an LCA cannot be ______?
quantified
38 of 44
E.g. you can quantify ? But not?
weight
not impact on pollution
39 of 44
An LCA can also be very s______?
subjective
40 of 44
Meaning it is based on a lot of ______?
opinions
41 of 44
This means the LCA is not a ____ and could cause it to vary?
fact
42 of 44
LCAs could also result in m_____ or b_____?
misuse or bias
43 of 44
Therefore what needs to be conducted?
independent peer review
44 of 44
Other cards in this set
Card 2
Front
We assess the impact on 4 main stages of an LCA what are they?
Back
-extracting raw materials
-manufacturing/packaging/distributing
-using/reusing/maintaining
-recycling and disposing
Card 3
Front
What are two types of bags?
Back
Card 4
Front
PLASTIC BAG
-----------------
What is stage one of the LCA?
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