Big Global Warming/Cooling/Staying Pretty Much the Same Betting Opportunity

The Nenana Ice Classic!
From the website-

"In 2007, 22 tickets split $303,272.00"!

The Tanana River officially went out on April 27, 2007 at 3:47 P.M.Alaska Standard Time.
The jackpot was $303,272.00

But ya gotta hurry, tickets are only on sale through April 5, 2007.
Here's the website.
Here's the list of winning times and dates since 1917.