'If it's melted, it's ruined'

(I enjoyed reading this article about how Ben and Jerry's have managed to retain their environmental and ethical agenda under ownership by Unilever. It's worth noting too the possibility of refrigeration without refrigerants -which I'd never heard of before."Under Unilever's management, Ben & Jerry's continues to publish an annual social and environmental audit. The company aims to reduce its carbon dioxide emissions by 10% from 2002 levels by 2007. Unilever has invested in thermoacoustic research, an alternative refrigeration technology that uses sound waves to create cooling and could eliminate the environmentally harmful gases used in mechanical refrigeration. "

Guardian Unlimited | Special reports | 'If it's melted, it's ruined':