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Mitigation and Remediation

Water mitigation and remediation essentially refers to reducing the impact of water pollution. Measures to be taken to recuperate already polluted water or sites fall under this category. Of particular importance here is phytoremediation - the use of plants for cleaning up contaminants in soil, groundwater, surface water and air.

UNEP-IETC: Phytoremediation - A Cost-Effective Remediation Method (Newsletter article)
Phytoremediation refers to the use of plants for cleaning up contaminants in soil, groundwater, surface water and air. The principal application of phytoremediation is for lightly contaminated soils, sludges and waters where the material to be treated is at a shallow or medium depth and the area to be treated is large, so that agronomic techniques are economical and applicable for both planting and harvesting. In addition, the site owner must be prepared to accept a longer remediation period.
http://www.unep.or.jp/ietc/publications/insight/sept-99/11.asp

IUCN: Conservation and Development: The Sustainable Use of Wetland Resources (Publication review)
This book is divided into four sections which deal successively with conservation and resource use with particular emphasis on agriculture, coastal zone conservation and management, fisheries management and the management problems of wetland hydrology. They were prepared with the intention to highlight new cases, assessments and examples of the needs, problems and priorities of wetland conservation.
http://www.iucn.org/themes/wetlands/condevsustwet.htm