Environmental communication programmes play a crucial role in raising awareness about various environmental issues and encouraging individuals to adopt sustainable behaviours. However, simply launching these campaigns is not enough to ensure their effectiveness. Monitoring and evaluation of these campaigns is equally crucial to determine their impact and make necessary adjustments to attain better results. This chapter deals with the monitoring and evaluation of the impact of environmental communication strategies. This chapter starts by covering the importance of monitoring and evaluation of environmental communication programmes. Then the chapter discusses the theoretical metrics for monitoring and evaluating environmental communication programmes. The chapter then discusses some conceptual metrics that can be used to monitor and evaluate environmental communication programmes.