Is it truly possible to heal the planet?

In general, our planet is extremely resilient and capable of self-healing, but it depends on the type of environmental harm you’re referring to.
However, Earth’s slow self-healing mechanisms are not the real issue.
The problems that humans have created for themselves by harming the planet are more concerning.
In many ways, people have harmed the systems that keep us alive. We have ruined the habitats for plants and animals, polluted the air and water, buried plastic in the ground and dumped it in the oceans and rivers which is incredibly hard to accept.
However, many of these messes can be cleaned up by natural processes with our help. And much progress has been made since people began to recognise these issues nearly 60 years ago.