climate change and your cup of coffee
DESCRIPTION
In honour of Climate Week Jeremy Haggar, Head of the Agriculture, Health and Environment Department from the Natural Resources Institute at the University of Greenwich hosted an interesting lecture on 'Climate Change: a threat to coffee small-holders and our morning cup of coffee?'TRANSCRIPT
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Climate Change: a threat to coffee small-holders and our morning cup of coffee?
Jeremy Haggar, Natural Resource Institute, UK
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Coffee and climate change in the news
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Temperature change for Atitlan, Guatemala:
Note the 1oC rise is equivalent to 150m in altitude or
the difference between a normal good coffee and a gourmet coffee
Mean Temperature(°C) for the Months May-October Lat 15N Lon 91W (Guatemala)
-0.80-0.60-0.40-0.200.000.200.400.600.801.001.201.40
1960 1970 1980 1990
Year
Dev
iati
on
fro
m a
vera
ge
61-9
0
Average = 25.84 °C
Std. Dev.= ± 0.31 °C
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What do coffee producers say is happening?
The majority of coffee farmers considered that the climate has changed, with more hot days, changes in the rainfall patterns becoming more unpredictable with rainfall erratic and in general no rainfall.
This had led to a decline in yields, and more pests and diseases. Many farmers were introducing more shade to the coffee plantations, but some were reducing the area in coffee.
05
1015
2025
3035
4045
50
Rainfall isnormal
2 3 4 5 6 7 8 Rainfall hassubstantially
changed
Brazil Tanzania Uganda/CI Kenya Guatemala Vietnam
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Impact of Hurricane Stan in Guatemala 2005-La Niña
20% coffee harvest lost on Pacific slope of Guatemala
Lost production from coops estimated at $4 million
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Greater climate variability is what most producers are currently experiencing - national production vs rainfall in Nicaragua
0
500
1,000
1,500
2,000
2,500
2000 2001 2002 2003 2004 2005 2006 2007Rai
nfa
ll m
m /
100
0s s
acks
of
coff
ee
Production
Rainfall
Average rain1971-2000
El NiñoLa Niña
El Niño
La Niña
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Economic impact of production variations on small producers in Nicaragua
2005-06 2006-07100lb sacks green coffee 41 17.5US$ income 3310 1424Production cost US$ 930 771Net income US$ 2380 653Average farm size 2 ha of coffee
Once again farmers are falling into debt,cannot afford to send their kids to school,nor renovate their coffee plantations
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The climate change predictions for coffee regions
- Central America much drier
- Colombia, S Brazil wetter
- East Africa wetter?
- SE Asia more seasonal
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Brazil – Large changes in distribution of coffee
Source: Pinto, Assad
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Expected Changes for Coffee in Brazil
Estimate of suitable area, production and financial return in state of Sao Paulo, relative to values from 2003:
Estimate of suitable area, production and financial return in state of Minas Gerais, relative to values from 2003
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Projections for Kenya CIAT 2010 Temperature rise of 2.2 – 2.4oC by 2050 Rainfall increase of 135 – 205 mm by 2050
Current 2050
Lower altitudinal limit masl 1000 1400
Upper altitudinal limit masl 2100 2300
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Changes coffee suitability in Kenya (CIAT for Sangana PPP)
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Green increase in suitability Orange-red loss of suitability for coffee
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Current and future coffee production suitability by altitude for Nicaragua
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Analysis of vulnerability to climate change of small-holders
CIAT/CATIE
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What may happen to coffee in Central America
Likely consequences
Elimination of low-altitude coffee also eliminate environmental services from shaded coffee
Expansion of coffee at high altitude will compete with forest and conservation of water resources
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Does coffee production also contribute to climate change?
Of 59g CO2 emissions per cup, PCF-Tchibo study44% from agrochemicals on-farmMethods do not contemplate sinks e.g. shade trees
Can we unlock the carbon stocks in shaded coffee and applying them to the carbon footprint of a cup of coffee
Can we make coffee carbon neutral?
36 - 70 t C / ha
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Comparison of carbon footprint vs. C sequestered in 9 years
Coffee Carbon Footprinting
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3. What are our options to adapt to climate change?
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More efficient use of water ?
Some areas may introduce irrigation but in others water for irrigation will become limiting
Need to intensify reduction in water use and management of contamination from wet milling
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Developing more resilient production systemsGradual renovation of the
coffee plantationDeveloping appropriate shade
levels and typesBuilding soil fertilitySoil and water conservation Diversifying income
Past-future yield variation
0
200
400
600
800
2003 2004 2005 2006 2007 2008 2009
Year
lbs
gre
en
co
ffe
e p
er
ac
re
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The benefits of shade Shaded coffee landscapes less
vulnerable to effects of excess rainfall and landslides
Introduction or increase in shade at high altitudes
But there are limits to what shade can do
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Potential of new coffee varieties
New hybrids between traditional varieties and Ethiopian landraces (CIRAD/PROMECAFE/CATIE):
Possibly greater resistance Increased cup quality at lower
to drought altitudes/higher temperatures
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Chemical (cup) characteristics of hybrids are less sensitive to altitude (temperature) than traditional varieties
Bertrand 2006
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Support to producers…
Develop examples with pilot groups to reinforce their capacity to confront the impacts of climate change
Improve their access to technical and financial mechanisms
www.AdapCC.org
Expected Results…
Detailed information about the climate impacts and risks to coffee production
Joint vision of the measures to confront risks
Methods to identify adaptation strategies
Options for long term financial security
Network of institutions and producers to exchange experiences
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Other industry initiatives to combat climate change
Climate friendly standards
Rainforest Alliance and 4C climate modules
Develop climate adaptation and mitigation plans
Reduce GHG emissions Sustainable production
practices for resilience Preparedness for natural
disasters
PPP GIZ, Neumann Coffee Group, Tchibo etc
Invest in adaptation capacity in Guatemala, Brazil, Tanzania and Vietnam
Coffee Under Pressure Green Mountain Coffee Roasters, CRS, CIAT
Model of impacts and diversification options
Socioeconomic livelihoods and institutional adaptation capacity
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And what for our 3 coffees?Guatemala Direct trade Produced by Mam ethnic group in Hueheutenango Union Coffee roasters – one of UK speciality coffee companies Very high altitude production may even expand with climate
change
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And what for our 3 coffees?Kenyan Fairtrade African countries continue to
loose coffee producers Considerable need to invest in
production and organization for better market access – so Fairtrade is critical
With climate change highest altitude prooducers will survive but lower altitude leave production
Buyers say Kenyan coffee is loosing it’s distinctive blackcurrant flavour – so the coffee may not be the same
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And what for our 3 coffees?Brazilian Naturals Vast majority of coffee beans
processed via dry method
Coffee is produced under sun without shade trees highly technified with mechanical harvesting
Major component of most Italian style coffee blends e.g. LavAzza
Major shift in coffee producing areas moving south
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And humanities capacity to adapt