Impax Environmental Markets plc seeks to achieve sustainable, above market returns over the longer term by investing globally in companies active in the growing Resource Efficiency and Environmental Markets. These markets address a number of long term macro-economic themes: growing populations, rising living standards, increasing urbanisation, rising consumption, and depletion of limited natural resources. Investments are made in ‘pure-play’ small and mid cap companies which have >50% of their underlying revenue generated by sales of products or services in environmental markets.