I don't know why your comment is being invalidated. Even in the best of cases when we try to protect wildlife preserves, there is undoubtedly collateral damage, and it ebbs over 40-90 years.
The only reason we don't want to rely on China is geopolitical. Besides that everyone would be happy to have China take the pollution it takes for the rest of the world to transition to electricity.
However, given the regulatory environment in the US surrounding refinement, there is likely a huge opportunity for innovation in this space.