Remediation (noun)

1. The action of remedying something, in particular environmental pollution.
2. Steps taken to correct or improve a situation.

Origin:

Late 20th century: from re- (expressing intensive force) + latin medius "middle" + -ation.

Examples:

1. The company was responsible for the environmental remediation of the contaminated site.
2. The government has invested in remediation projects to improve the water quality in the area.
3. The remediation of the old building included asbestos removal and lead paint abatement.
4. The school has implemented a remediation program for students struggling with math.
5. Remediation of the issue required a team effort from multiple departments.