Must the dead be buried or forsake for the living? Farms to make way for graveyards!

Vegetable farmer Robert Teng is the last man standing at La Perouse.

Greenery is rare in polluted Sydney south and sustainable farming ought to be maintained.
Perhaps Sydney could learn from the land scarce Japanese to keep the dead souls alive in our minds. Buddhist and Shinto followers cremate the dead and remember the deceased family and friends with a symbolic altar tablet kept in a quiet shrine.

Take a look at this mausoleum. The Japanese technological urn retrieval system   is not a bad idea.

Graveyards are a luxury in the old days when the earth was sparsely populated and lots of unused land is available to bury the dead.  The "preservation" of the physical structures of the body means little when the living have to give up liveability for the past. It would be mutually respectful.