This is the 3153rd most frequent Russian word.
масштабную
"масштабную" means "large-scale" or "extensive."
In this sentence, 'масштабную' describes the scope of the initiative, indicating its extensive or wide-reaching nature.
Мы поддерживаем масштабную инициативу по защите природы.
We support a large-scale initiative to protect nature.
Here, 'масштабная' refers to the comprehensive objectives of the strategy needed for large or significant projects.
Для такого проекта требуется масштабная стратегия.
A large-scale strategy is required for such a project.
In this usage, 'масштабные' characterizes the research as extensive in terms of coverage, depth, or resources.