id	keyword
issue-2495	air
issue-2495	atmospheric
issue-2495	environmental
issue-2495	protection
issue-2495	ukraine
issue-2495	air protection
issue-2495	safety
issue-2495	air pollution
issue-2495	european
issue-2495	airspace
issue-2495	state
issue-2495	regulation
issue-2495	law
issue-2495	principles
issue-2495	air safety