Lecture 13 – Key Points
- This is a term called green washing, because it
sounds environmentally friendly, but it really
- It can’t be negative because people will feel like
they have made a difference and reward
themselves with something that is more
- This is a bottom up approach which will
- Top down may be more efficient.
- Release less GHGs.
- Alter our lifestyle and lively hoods to compensate
- Alter climate in some way, so we can continue to burn
fossil fuels but not have climate change.
- A little more shaky than the others
Some opinion in choosing that material to include and exclude from this section because
time is limited and course focus is science not policy. - Place aerosols in
space or in
stratosphere to reflect
- Fertilize the ocean to
and pull more CO2
out of the air
- Pump CO2 into the
ground and into the
- Cloud seeding by
putting dust in air to
create clouds and
make rain fall where
engineered crops is not really an intervention, its an adaptation.
- None are sure fire things.
- Stopping the yearly increase will not get the top
- We need to aim for bottom for mitigation to work
In order to stabilize CO2, emissions would need to
decrease because [CO2] is cumulative. - IPATS model is like mitigation
- In order to reduce carbon emissions, we need to
reduce one of these factors
- Everything cancels out in the equation except for
- Emissions intensity is the product of carbon
intensity and energy intensity
- Lower energy means higher carbon intensity.
- If the line goes to 0.8, it is 80% of the 1970
- If the line goes to 2, it has doubled since
- Dashed lines are ratios, solid are absolute
- For every tonne of carbon we emit, we can