This is the 5467th most frequent Russian word.
повлияла
"Повлияла" means "influenced" or "affected" (feminine past tense).
Here, 'повлияла' refers to an action of having an impact or influence on someone's perspective or attitude.
Эта книга повлияла на мое мировоззрение.
This book influenced my worldview.
In this context, 'повлиял' is used to describe how an action or suggestion contributed to shaping a choice or decision.
Его совет повлиял на мое решение.
His advice affected my decision.
'Повлияло' indicates a causative relationship where one condition (climate change) has led to observable changes in another aspect (weather patterns).