In the past, environmental goods and services were seen as having limited economic importance. Now, environmental issues and activities pervade every aspect of our economic life and performance and are subject to challenging national and international targets, strict monitoring regimes and ongoing discussion and debate in the media. As understanding of environmental challenges has grown, so too has appreciation of the size of the market and the associated business opportunities. The EGS sector has traditionally included solutions for problems such as air, noise and marine pollution and land and water contamination, as well as activities such as environmental analysis and consultancy and waste management and recycling. .