Environmental science is a quantitative and interdisciplinary approach to understanding and managing the world in which we live. Environmental scientists are concerned with understanding spatial patterns in physical, biological and chemical phenomena in the Earth's system at local, regional and global scales. They find appropriate solutions to environmental problems by assessing, reporting and quantifying environmental risks. They work in areas as diverse as contaminated land assessment and remediation, natural resource management, practical conservation, pollution mitigation, ecosystem service assessment, environmental monitoring, mapping and consultancy.