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The most effective individual steps to tackle climate change are n't being discussed {{URL}} via {@Phys.org@}
 event: climate change; product: Phys.org
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: group, creative work, person, event, product, location, corporation 
Text: {0} 
Answer:
 event: climate change; product: Phys.org