Elnura Kuldaeva's answer to What could be done to reduce the amount of plastic we use? - Quora
Sergey Zelvenskiy stashed this in how-to guides
Stashed in: Practice
In general her advice -- make daily conscious decisions (practice) -- is useful for more forms of improvement.
It's also important to automate as much of one's routine as possible (habits) and to create an environment that encourages the right behavior (context).
(channeling my inner @bakadesuyo)