Terra Studios

A. Grajeda / KUAF

A few months ago, Terra Studios announced it would suspend its hot glass demonstrations until a greener form of the process can be used. Sunday, the Durham-based nonprofit marked the end of an era by celebrating the creation of its last Bluebird of Happiness and turning off the furnaces used to make them.

A. Grajeda / KUAF

Terra Studios will soon suspend its hot glass demonstrations, which include the creation its popular Bluebird of Happiness. Officials say they are making the decision because of glassblowing's effect on the climate and they hope to resume the practice when a greener version of glassblowing can be used.