Green Chemistry - Principle 1 | Environmental Chemistry | Chemistry | FuseSchool FuseSchool - Global Education https://www.youtube.com/watch?v=X9GHBdyYcyo Transkript (automatisch erstellt) 0:10 [Music] when we say green chemistry we mean environmentally friendly chemical 0:17 processes and doing chemistry with personal safety and the environment in mind there are 12 principles designed to 0:25 help make chemistry Greener we will discuss each of these 12 principles with an 0:33 example let's start with a simple concept if you keep your room neat and tidy you won't have to clean up as much 0:41 if your room gets really messy then you will have a lot to clean up the same concept is applied in green chemistry if 0:50 we prevent waste from being produced then there would be less to clean up now this is almost impossible to have Z zero 1:00 waste for any given chemical reaction on a global scale the beauty of this principle is that it can be applied to 1:09 almost every single chemical reaction conducted for example polystyrene is a fossil fuel derived polymer used to make 1:19 all disposable cups and packaging materials the polymer itself needs to be expanded before it can be used in 1:28 packaging traditionally this was done with cfc's or chlorofluorocarbons which deplete the 1:35 ozone layer now this is done with carbon dioxide waste from other industrial 1:42 processes instead of releasing carbon dioxide into the atmosphere and contributing to the greenhouse effect 1:49 this is contained and used to expand polystyrene so there is no additional carbon dioxide being released into the 1:58 atmosphere for