The resource barrier isn't so much of an answer, as the federal government has a lot of money—some say too much, some say too little. But in terms of allocating resources....
In terms of the effectiveness of bringing in public discourse as a tool, which has been shown in other regions to be effective, I think the American model is quite the one to point to; it's part of the discourse in the public about toxics and pollutants. Again, if this has been shown to be effective, why have we not allocated the resources?