CLEAN: Can coal ever be clean?

The video discusses the significant role coal plays in electricity generation, contributing to 50% of the power supply. It challenges the notion of 'clean coal,' highlighting the toxic emissions from coal-fired power plants, including mercury, which can poison large water bodies. The environmental impact of coal mining is also covered, showing how it destroys ecosystems and introduces toxic metals into water streams, affecting vast populations downstream.

What new insight or understanding did you gain from this video?