Based on the given tweet, determine the level of fear the author is experiencing. Choose from the following options: 0: no fear can be inferred, 1: low amount of fear can be inferred, 2: moderate amount of fear can be inferred, 3: high amount of fear can be inferred.
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.