This is the 900th most frequent Russian word.
изменение
Change or alteration.
Here, 'изменение' means 'change' and is used in the context of a natural phenomenon.
Изменение климата влияет на природу.
Climate change affects nature.
In this sentence, 'изменение' is also translated as 'change', referring to a modification in regulations.
Правительство объявило об изменении налоговой политики.
The government announced a change in tax policy.
Here 'изменение' refers to the process of changing, emphasizing a personal action or adjustment.