It is unlikely that humans will destroy the planet though they have the capability of making it uninhabitable.
The practice is destroying the ecosystem of the planet.
Humans are not destroying the planet or the environment. It is doubtful they would be able to destroy the planet. It is certain they are having an impact on the present environment which is significantly different to destroying it. Environments are changed. They always have been. The reason why environmentalists strive to preserve the current environment is to keep it in equilibrium so humans can live longer.
The practice is destroying the ecosystem of the planet.
Pollution is destroying the balance of several food webs on the planet.
People believe that building larger cities is destroying the environment. The hurricane crossed the area, destroying everything in its path. Destroying something for fun could be called vandalism.
The failure of the people of China to recognise that they are destroying the Elephants and much else on the planet.
Black holes can destroy stars, so they'd have no trouble destroying a planet.
Humans ! We are destroying this planet at a scary rate - in complete disregard to the other species we share our home with !
'Red Matter' could be used to destroy one or more (armada) of the "Doomsday Machines" .
Because the (supposedly) most intelligent species on the planet (us) are destroying their natural habitat to make furniture !
Charles Darwin. A shame that we now know all he taught, but we choose to keep on destroying our planet.
It is a prologue to the Halo series. It is about Covenant forces (the aliens) invading Reach (the planet) and destroying it and attempting to destroy the UNSC (humans).