I'm optimistic that Earth (our environment) will survive, but I'm also sure that it will be less hospitable for human life. If catastrophe is going to happen it

I'm optimistic that Earth (our environment) will survive, but I'm also sure that it will be less hospitable for human life. If catastrophe is going to happen it is more likely that it will be human-induced catastrophe (wars, genocide, famine) rather than environmental one.