Dozens of mining waste dams pose extreme risks of loss of life and irreparable environmental damage if they collapse, their operators have revealed.

The cash would fund a feasibility study into reclaiming copper from mining waste dating back to the 1930s.

Solid waste pollution includes pollutants like agricultural waste, construction waste, electronic waste, hazardous waste, medical, and mining waste.

The heaps of mining waste remain, contaminated with lead, and on which little will grow.

For example, many hazardous mining wastes are regulated via mining statutes and regulations.