Task: Analyze the tweet's emotional connotations and classify it as either 'neutral or no emotion' or as one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best portray the tweeter's mental state.
Tweet: That said–due to passing the 50yr mark awhile ago–I know most of the #horrific damage to the #planet won't occur before my 'natural' #death.
This tweet contains emotions: 
fear, sadness