>easily counteracted No, it's not easy. This requires specific kinds of seaweeds to be effective, the species grows only in warm places(so not close to where

>easily counteracted No, it's not easy. This requires specific kinds of seaweeds to be effective, the species grows only in warm places(so not close to where we tend to keep cows) and it is not grown in large quantities yet, nor is the impact of doing that known. We are quite some time away from doing this large scale.