Deletion of World Sustainable Energy Days

Comment: Tons of ghits. http://www.iec.ch/online_news/etech/arch_2008/etech_0408/industry_1.htm Improving energy efficiency has much to do with communication — Highlights from the World Sustainable Energy Days Conference summarises presentations at the 2008 conference, and I think is enough to establish notability single-handed. With a couple more hits like that, this AfD will be 
Stance: keep
Cited policy: Wikipedia:Snowball clause (WP:SNOW)