General documents on tropospheric ozone:

• Royal Society Science Policy REPORT 15/08
  "Groundlevel ozone in the 21st century: future trends, impacts and policy implications"
  
  
• European Commission Report 2013
  "Research Findings in support of the EU Air Quality"
  (edited by Michela Maione & Sandro Fuzzi)  
  
  
• ICP Vegetation Report 2012
  "Ozone Pollution: Impacts on carbon sequestration in Europe"
  
  
• ICP Vegetation Report 2011
  "Ozone Pollution: A hidden threat to food security"