This is novel.

Ben & Jerry’s ice cream is pondering how to make an ice cream that is made, shipped and sold warm, with the consumer taking the final step of actually freezing the product.

http://www.environmentalleader.com/2009/08/26/fighting-climate-change-with-warm-ice-cream/

I have always thought that we could reduce enormous amount of CO2 by reducing our reliance on cold or frozen foods/beverages. It's almost second nature to us, but there are a lot of things that are unnecessarily cold or frozen. We can reduce or eliminate ice cubes in soda, for example. And it won't change the function of soda that much. Eating less frozen food and cooking by yourself might reduce more GHG than you think, if you think through the supply chain and logistics.

Rethinking cold/frozen food is one of the low-hanging fruits to reduce our carbon footprint.

Thank you Ben and Jerry's for working on this, and thanks for being delicious and green at the same time.