word 9 : remediation

remediation

n.

1. the act or process of correcting a fault or deficiency.
2. the act of correcting an error or an evil.
3. the act of "setting straight" or "making right".
4. action to remedy or correct damage to the environment.
5. cleanup of a site to levels determined to be health-protective for its intended use.
6. correcting degradation.

see also : wastelands,waste