setting the scene of zero carbon transitions in north and ...€¦ · proceedings unfccc cop21 side...
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![Page 1: Setting the Scene of Zero Carbon Transitions in North and ...€¦ · Proceedings UNFCCC COP21 Side Event December 3 2015 Fair Low Zero Carbon & 100% RE Strategies, South & North](https://reader033.vdocuments.mx/reader033/viewer/2022051913/60046ea3f3e8a30fa24be584/html5/thumbnails/1.jpg)
Fair Low/Zero Carbon & 100% RE Strategies, South & North Countries, Villages,
including Women Initiatives
UNFCCC COP21 Side Event, Paris, FranceDecember 3, 2015
Presentations are available at the UNFCCC web site and at INFORSE:
www.inforse.org/europe/conf15_COP21.htm
Setting the Scene of Zero Carbon Transitions
in North and South
by prof. Kevin Anderson
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University of ManchesterDec. 2015
Kevin Anderson
web: kevinanderson.info
The Ostrich or the Phoenix?
twitter: @KevinClimate
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“to hold the increase in global temperature
below 2 degrees Celsius, and take action to
meet this objective consistent with science
and on the basis of equity”
Our collective commitment on climate change
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“to hold the increase in global temperature
below 2 degrees Celsius, and take action to
meet this objective consistent with science
and on the basis of equity”
Our collective commitment on climate change
![Page 6: Setting the Scene of Zero Carbon Transitions in North and ...€¦ · Proceedings UNFCCC COP21 Side Event December 3 2015 Fair Low Zero Carbon & 100% RE Strategies, South & North](https://reader033.vdocuments.mx/reader033/viewer/2022051913/60046ea3f3e8a30fa24be584/html5/thumbnails/6.jpg)
“to hold the increase in global temperature
below 2 degrees Celsius, and take action to
meet this objective consistent with science
and on the basis of equity”
Our collective commitment on climate change
![Page 7: Setting the Scene of Zero Carbon Transitions in North and ...€¦ · Proceedings UNFCCC COP21 Side Event December 3 2015 Fair Low Zero Carbon & 100% RE Strategies, South & North](https://reader033.vdocuments.mx/reader033/viewer/2022051913/60046ea3f3e8a30fa24be584/html5/thumbnails/7.jpg)
“to hold the increase in global temperature
below 2 degrees Celsius, and take action to
meet this objective consistent with science
and on the basis of equity”
Our collective commitment on climate change
![Page 8: Setting the Scene of Zero Carbon Transitions in North and ...€¦ · Proceedings UNFCCC COP21 Side Event December 3 2015 Fair Low Zero Carbon & 100% RE Strategies, South & North](https://reader033.vdocuments.mx/reader033/viewer/2022051913/60046ea3f3e8a30fa24be584/html5/thumbnails/8.jpg)
IPCC latest report (AR5)
Crucially noted…
in terms of temperature (2°C) rise,
explicit recognition it’s carbon budgets that matter,
not long-term (2050) targets
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Thinking about this ‘graphically’
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O2
yr-1
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Clim
ate
chan
ge p
anel
est
ablis
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(IP
CC
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(GtC
O2
yr-1
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YEAR
GCP new data
UN
Clim
ate
chan
ge p
anel
est
ablis
hed
(IP
CC
)
RIO
Ear
th S
um
mit
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GCP new data
… & as we build hi-carbon
power stations
Infrastructures
buildings
aircraft & ships
Lock-in
30 t
o 1
00+
yrs
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GCP new data
i.e. 4°C to 6°C by 2100
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So recent history supports the IEA view
… that the CO2 trend “is perfectly in line with a
temperature increase of 6 degrees Celsius, which would
have devastating consequences for the planet.”
Fatih Birol - IEA chief economist
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… but what about 2°C?
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(GtC
O2
yr-1
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YEAR
GCP new data
For a “likely” chance of
2°C
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O2
yr-1
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YEAR
GCP new data
Too early for new
low carbonsupply &
demand
ReduceEnergy
DemandSupply
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O2
yr-1
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YEAR
GCP new data
But this is a global analysis
& demand
Reduce Demand
Supply
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(GtC
O2
yr-1
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YEAR
GCP new data
& demand
Reduce Demand
Supply
“To hold the increase in global temperature below 2 degrees
Celsius, and take action to meet this objective consistent with
science and on the basis of equity”
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Returning to Carbon budgets
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Numerically: based on IPCC Synthesis Report
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… range of carbon budgets
for 2011-2100
… range of probabilities
… to stay below 2°C
… defined as a “likely” chance of “staying below 2°C”
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Estimating energy-only CO2 budgets from 2015 to 2100
We need to note that:
Since 2011, we’ve emitted about ~150GtCO2 (~15% of “likely” 2°C budget)
Deforestation & land-use change from 2015-2100 ~100GtCO2
Cement process emissions from 2015-2100 ~150GtCO2
i.e.: … to subtract, at least 400GtCO2 from the energy budget from 2015
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… to stay below 2°C
600(66%)
900(50%)
1100(33%)
i.e.: the budgets from 2015 -2100 for CO2 from energy only
2015
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Considering poorer (non-Annex 1) nations:
1. Peak CO2 2025; mitigate 10% p.a. from 2035 650
2. Peak 2025; mitigate 5% from 2035 900
3. Peak 2030; mitigate 5% from 2035 1200
GtCO2
(2015-2100)
1. 66% (600GtCO2) 50% (900GtCO2) 33% (1100GtCO2)
2. 66% 50% 33%
3. 66% 50% 33%
✗✗ ✗✗ ✗ ✗
Consider these in relation to 2°C budgets …
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Considering wealthier (Annex 1) nations:
1. Peak now; mitigate 5% p.a. from 2025 350
2. Peak now; mitigate 10% from 2025 220
3. Mitigate 10% p.a. from now 130
GtCO2
(2015-2100)
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Put bluntly
66% chance of 2°C is lost
50% chance demands a war-like footing on mitigation- Wealthier nations 10% p.a. within a few years
- Poorer nations 10% p.a. by 2035
33% chance still demands mitigation rates far beyond anything
that will be discussed in the Paris COP21 negotiations
We have 25 years of explicitly choosing to fail on 2°C
But it is a choice!
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How can this be reconciled with ‘official’ accounts?
... mitigation costs would be so low that “global economic
growth would not be strongly affected”
WGIII Co Chair Nov. 2014
“To keep … to 2°C … the UK [must] cut emissions by at least 80% …
the good news is that reductions of that size are possible without
sacrificing the benefits of economic growth and rising prosperity.”
UK Committee on Climate Change
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… two rabbits from the hat:
1. Negative emissions technologies (BECCS):
Never worked at scale
huge technical & economic unknowns
major efficiency penalty
limited biomass availability (fuel or food?)
and fingers crossed on feedbacks
2. Peak global emissions in the past
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Systemic bias: time travel & -ve CO2 technologies
IPCC Scenario database:
400 scenarios for 50% or better chance of 2°C, of these:
- 344 include large scale negative emissions
- all 56 without negative emissions peak in ~2010
- many use negative emissions & adopt a ~2010 peak
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Returning to 2°C … is it still a viable goal?
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Hypothesis: yes
... but the probabilities are now very slim
(i.e. IPCC budget for only a 33% chance of staying below 2°C)
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A Radical Plan for 2°C – two phases
1. Deep reductions in energy demand from now to ~2030
… by the wealthy high emitters
2. Marshall-style plan build programme of very low-CO2 energy supply
… with 100% penetration by 2050
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“at every level the greatest obstacle to
transforming the world is that we lack the
clarity and imagination to conceive that it
could be different.”
Robert Unger
and a message of hope to finish …
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Thank you
University of ManchesterDec. 2015
Kevin Anderson
web: kevinanderson.info
twitter: @KevinClimate