Repliessteemitboard (66)in air • 5 years agoRE: Air PollutionCongratulations @avarun! You received a personal award! Birthday! - You are on the Steem blockchain for 2 years! You can view your badges on your Steem Board and compare to others on…steemitboard (66)in air • 6 years agoRE: Air PollutionCongratulations @avarun! You received a personal award! Birthday! - You are on the Steem blockchain for 1 year! Click here to view your Board Support SteemitBoard's project …cheetah (77)in hazard • 7 years agoRE: Hazard modelsHi! I am a robot. I just upvoted you! I found similar content that readers might be interested in: