Key Scottish Environment Statistics 2009
Annual publication containing summary of key statistics on environmental trends in Scotland
Global Atmosphere
Greenhouse Gas Emissions by Source R: 1990-2006
Greenhouse gas emissions taking account of emissions and removals (Mt CO 2e) 8
Million tonnes of carbon dioxide equivalent
Sector |
1990 |
1995 |
2000 |
2004 |
2005 |
2006 |
|---|---|---|---|---|---|---|
Energy supply |
22.3 |
25.9 |
25.5 |
21.2 |
20.4 |
23.9 |
Agriculture, business, industrial processes and waste management |
27.9 |
23.0 |
21.4 |
19.3 |
19.1 |
18.5 |
Public and residential |
9.1 |
9.0 |
9.0 |
8.9 |
8.8 |
8.5 |
Transport 17 |
11.2 |
11.2 |
11.6 |
12.2 |
12.4 |
12.7 |
Net land use, land use change and forestry |
-2.5 |
-3.6 |
-3.9 |
-4.6 |
-4.6 |
-4.5 |
Total emissions 9,10,11,12,13 |
68.0 |
65.5 |
63.7 |
56.9 |
56.0 |
59.0 |
It should be noted that improved data sources and estimation techniques have routinely led to revision of historic greenhouse gas emission estimates.
Scotland's emissions of greenhouse gases in 2006 were 59.0 Mt CO 2e (around 9% of the UK total). The energy supply sector was the largest emitter of greenhouse gas emissions in 2006, contributing 40.5% of the emissions in Scotland. Emissions from this sector were 7.2% higher than in 1990, however between 1990 and 2005 emissions had decreased by 8.5%. Transport emissions contributed a further 21.5% to the 2006 total and have increased by 13.5% since 1990. Agriculture, business, industrial processes and waste management contributed 31.3% of net emissions in 2006, while the public and residential sector contributed 14.4%.
In Scotland, land use change and forestry, taken as a whole, acts as a sink, absorbing more greenhouse gas emissions than it releases. Estimates of emissions and removals from this sector are particularly uncertain since they depend critically on assumptions made on the rate of loss or gain of carbon in Scotland's carbon rich soils.
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