Find a historic report Type a key word in the search box to get up current and archived Sniffer reports and projects. We have reports going back over 20 years relating to environmental regulation, water management and flooding, and health and well-being. Here are some of the most referenced Sniffer reports: Low Emission Zones - Bus sector perspective from Scotland's four major cities Climate Trends handbook Updated version 2014 Climate Trends Handbook Original version Communicating Climate Risks Good Place, Better Health Practical guidance to applying the Precautionary Principle Differential Social Impacts of Climate Change in the UK Manage Cookie Preferences