We only have one planet, but we're still using it up too fast

Celebrating the first moon landing provided a reminder that we have only one Earth. Our blue planet is situated in one of the Milky Way’s spiral arms, made up of billions of stars and planets, far from the centre of the galaxy.

Earth viewed from the Apollo 11 Command Module.
Despite all our astronomical investments, we are yet to find another water-laden planet like it anywhere in the universe, but that isn’t preventing us from depleting its offerings as if there is a conga line of replacements.

Read the opinion piece from The Age by Gareth O’Reilly - “We only have one planet, but we're still using it up too fast."