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.
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.
Humans ! We are destroying this planet at a scary rate - in complete disregard to the other species we share our home with !
Sgt. Forge sacrificed himself to detonate a slipspace drive aboard the Covenant ship, destroying it above the planet Harvest in the Halo franchise. The planet was not blown up, but the Covenant ship and a significant portion of the planet were destroyed in the process.
'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.
To defeat the Grox in Spore, you only need to destroy their home planet to eliminate them from the galaxy. Attacking and destroying their home world will trigger the defeat of the Grox as a civilization. Destroying all their planets is not necessary.
You get it after defeating the first boss before destroying the first leviathon seed on the first planet.