at the forefront

Translations
на переднем плане
She is at the forefront of the campaign for climate change.
Она на переднем плане кампании по изменению климата.
Definitions
In a leading or prominent position, especially in relation to a particular field, movement, or issue.
Words
at

preposition
на
the

article or possessive pronoun
определённый артикль
forefront

noun
передний край