Pollution is the introduction of contaminants into the natural environment that cause adverse change. Pollution can take the form of chemical substances or energy, such as noise, heat, or light. Pollutants, the components of pollution, can be either foreign substances/energies or naturally occurring contaminants. It occurs due to many reason of human being activities, like factories, vehicles, and deforestation. In order to save our environment from pollution we need to do plantation, and avoid miss use of vehicles which produce a lot of carbon dioxide, and recycle the waste of factories.
Palnet - Other social crypto
Actually it's a platform on Steem blockchain. When you post there, you can earn Pal, and you automatically post on Steem blockchain too so you can earn steem at the same time. What about Uptrennd doing the same? Steem is much more than Steemit, Steem is a Dan's project, and all the small social cryptos should interact with each other to compete with Facebook coin or other coins eventually launched by large corporations.