Using the kardashev scale, we aren't even a level 1 civilization and nowhere close to be an advanced one. We might destroy the ecosystem and ourselves because

Using the kardashev scale, we aren't even a level 1 civilization and nowhere close to be an advanced one. We might destroy the ecosystem and ourselves because we reach the first level of the kardashev scale. It's simply human hubris to think we are an advanced civilization and our pride may be our downfall.