UAE based start-up Urbie, is purifying indoor air using blockchain, bio-tech, and crypto. Inspired by NASA, Urbie leverages plant evolution and technology to absorb and neutralize common pollutants found in enclosed areas. The start-up utilizes biological air purifiers and green wall purifiers with self-watering systems. These are connected to mobile apps so users can not only monitor their indoor air quality but also keep track using blockchain. Users are able to earn green crypto coins based on the number of hours of purification. These coins can be used to plant trees, build water wells in an effort to curb the negative impact of climate change. As per the news, Urbie’s goal is to attach a carbon credit to their coins so users can trade their coins in crypto exchanges around the world. Urbie’s products utilize the natural filtering power of plants and manmade filters using naturally occurring materials to safely filter out harmful chemicals, viruses and bacteria found in