article_snippet.sent: Clegg said Clegg wanted to tackle 'dangerous levels of air pollution' which cut average life expectancy by up to eight months.
article_snippet.sent: Lib Dem leader Nick Clegg  said Lib Dem leader Nick Clegg  wanted to tackle 'dangerous levels of air pollution' which cut average life expectancy by up to eight months .
article_snippet.sent: This isn't just about re-balancing the economy, This's also about tackling dangerous levels of air pollution that reduce average life expectancy by up to eight months. '
highlights_snippet.sent: Clegg says Clegg wanted to tackle 'dangerous levels of air pollution' in cities .
  