My first thought is that we listen to the people who are telling us that they are having some problems. Unless we start to acknowledge that there are risk factors and issues here, we can never move forward to solve them. It is related to proximity and the full-scale emissions that are there 24-7, 365 days a year. I am in agreement that we have enough warning signs to move forward, and it may take a while to build what we call “scientific certainty”. Sometimes you can't have scientific certainty for a long time. Many conditions in medicine are known for which we don't have scientific certainty about a causality, but we treat and we look after that, and we remove the source as much as possible.
On April 28th, 2015. See this statement in context.