Subject
Global warming
2
environmental policy
2
Arctic Ocean
1
Baltic Sea
1
Environmental policy.
1
Greenhouse gas mitigation
1
Greenhouse gas mitigation.
1
Mathematics
1
North Sea
1
acid rain
1
air pollution control
1
climatic change
1
energy policy
1
environmental monitoring
1
gas industry
1
global warming
1
greenhouse gas
1
international agreement
1
natural gas
1
natural gas industry
1