How can renewable resources be implemented to save the ecosystem?

As you may see, I think that the use of renewable resources for this problematic is the most effective solution; Furthermore, I think there will be a job related to this in the future, since our future generations will suffer what we are all making right now. Let me know your opinion about this.

Reweable resources will be vital in the future to sabe the ecosystem. Pollution, biodiversity loss and natural catastrophies are causing the world is getting every time worse than the previous one. Stephen Hawking says that "time is running out for Earth" and mentions that if we do not leave the planet in a hundred years we will be doomed to extinction. We have to protect the ecosystem and using renewable resources is one of them; the most powerful countries like United States, Russia or China have to take the iniciative in orden, other countries also start developing this resources.