Too early to know this for certain but because the result is similar to how a natural Aurora Borealis occurs, I suspect the environmental hazards would be negligeable. <div class="Discussion_UserSignature"> <p><strong>My borrowed quote for the time being:</strong></p><p><em>There are three kinds of people in life. Those who make it happen, those who watch it happen...and those who do not know what happened.</em></p> </div>