Blended threats
The interview quotes Brockovich as saying she goes to other countries to consult on environmental problems that are causing health problems. She also states that we should be concerned about polluted water in other countries.
Yeast converts sugar into CO2 and alcohol. In the brewing process, the yeast convert enough sugar into alcohol that the yeast dies from its own waste. We are making ourselves sick from our wastes from heavey metals to polluted water and air. I hope that humans can be more intelligent than yeast and take better control of wastes.