> A few public servants in Australia

A few public servants in Australia? I'm not sure what you mean?

Superannuation may have been limited to a public servants and employees of large corporations in the 1970s, but was expanded to blue collar workers in the 1980s (see industry super funds), and mandatory for all employers in the 1990s. Almost every worker in Australia has a superannuation fund. Whether a given person's fund is invested in fossil fuels is another questio (mine has a radio button to choose green only investments or not).

Okay, assume 100% of people in Australia. 27 million people. The world has 8.5 billion people.