0
5
10
15
20
25
30
Indu
stry
Fore
stry
(e
x: d
efor
esta
tion)
Agr
icul
ture
Tran
spor
t
Resi
dent
ial a
nd
com
mer
ical
bu
ildin
gs
Was
te a
nd
was
tew
ater
26 19 17 14 13 8 3
Ener
gy s
uppl
y (e
x: e
lect
ricit
y an
d he
atin
g)
%
Source: (left) IPCC, 2004. Fourth Assessment Report. (top): Apple Inc., 2008. Environmental Performance 2008; UNEP, 2008. Kick the Habit; Coop Naturaline Website; Williams, Audsley, and Sandars, 2006. Determining the environmental burdens and resource use in the production of agricultural and horticultural commodities.
CLIMATE CHANGECARBON DIOXIDE EMISSIONS
How much CO2 is currently
present in the atmosphere?
CO2
385 ppm
280 ppm
Which sub-regions emit the most CO2?
Source: UNEP GEO Data Portal, compiled from UNFCCC, CDIAC. Excluding LULUCF
3.0 x 1015 kg
Source: IPCC, 2007. Fourth Assessment Report; CDIAC, 1990. Glossary: Carbon Dioxide and Climate
Which sectors emit the most GHGs?
How do I contribute to GHG emissions?Driving 20 km to work
Watching TV for 1 hour
Microwaving my lunch for 5 minutes
Per cent contribution to global Greenhouse Gas (GHG) emissions
5 kg99 g43 g
Product Carbon Footprints (GHGs released during manufacture)
How much CO2 was naturally
present in the atmosphere?
Present-day (2008) 3000 Trillion kg
2.2 x 1015 kg
Pre-industrial (1750) 2200 Trillion kgATMOSPHERICCONCENTRATION OF
ppm = partsper million
Food: Mostly UK growing conditions
Which are the main Greenhouse gases?combustion of fossil fuels and biomasslivestock digestive systems, wetlandstropical soils, oceans, livestock, fertilizers
1
25
298
Carbon dioxide
Methane
Nitrous oxide
GWP*
* Global warming potential is a measure of how much a given mass of GHG is estimated to contribute to global warming.
CO2 Emissions per Capita
kg CO2/Person
179 138
2 905
546
421
17 233
6 7714 710
1 956 930
5 664
9 190
9 081
2 9153 384
2 290
20 015
10 003
12 562
3 1192 612
1 252
22 kgiPod touch
Computer and 275 kg
Monitor
490 g1kg WheatFlour
3 kgT-shirt
5 kgHamburger
4 kg1kg Cheese
27 g1 Egg
1990
2004
20 015value for 2004
240 g1kg Potatoes
Global mean tempera-
ture has increased by
0.74°C between 1906
and 2005. Tempera-
tures are projected to
increase by 1.8°C to
4.0°C between 1980
and 2100.
Central Asia
Easte
rn Europe
Aust
ralia
and New ZealandSo
uth Asia
Southeast Asia
Arabian Peninsula
East
Asia
and Northwest Paci�c
North
America
Mes
o America
South America
Wes
tern Europe
Wes
tern Africa
Central Europe
Northern Africa
Cent
ral Africa
Sout
hern Africa
Carib
bean
Arct
ic (Greenland)
South Paci�c
Easte
rn Africa
Weste
rn Indian Ocean
9 kg1kg Tomatoes(Greenhouse)
To reduce our emissions, we must reduce our consumption
Africa Asia & Paci�c Europe LAC North America West Asia
GLOBAL TOTAL
= 2.78 GigatonsWorld Average: 1990: 4 200 2004: 4 300
= 2.23 Gigatons19902004
www.unep.org
B a s i c
FACTS
Produced by UNEP/DEWA/GRID-Europe, Feb. 2009
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