D i reccomend searching before entering answer
PURE TABOO IS AN ADULT TIME STUDIO
A short term environment change would be drought, smog, volcanic eruptions, and blizzards. All because it only last for a small period of time and it can affect the way certain species will have to adapt to certain environments.
Of course it's possible, because it means that sintheta=-2/5 which satisfies this -1<=sintheta<=1