The disposal of the waste we generate is causing serious ....... problems.
Dumping of wastes in a haphazard and unscientific manner has a serious environmental impact. It leads to:
1. Degradation of land.
2. Pollution of drinking water,
3. Destruction of aquatic life,
4. Degradation of ground and surface water used for irrigation and industries,
5. Improper disposal of wastes causes soil, air and water pollution.
So, the correct answer is 'Environmental'.