Be careful about reading too much into this. One group has already misinterpreted it according to Anthony Watt. Links below:
http://www.freerepublic.com/focus/f-news/3010294/posts
Duh. If the atmosphere did not have a blocking mechanism to filter out peaks of energy from the sun, life on this planet would only exist in caves if at all. The key point is that energy from the sun is highly variable. Something they have denied.
Thanks.