Task: Analyze the tweet's emotional expression, classifying it as 'neutral or no emotion' or as one or more of the identified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best represent the tweeter's emotional state.
Tweet: another chunk of #antarctic the size of #wales broke off. The #glee of knowing humans deserve their #extinction. #climatechange
This tweet contains emotions: 