This is the 18357th most frequent Russian word.
экологический
Ecological; relating to the environment or ecology.
Here, 'экологический' is used to describe a crisis related to the environment.
Экологический кризис влияет на все сферы жизни.
The environmental crisis affects all spheres of life.
In this sentence, 'экологический' is used to characterize a project related to ecology or environmental concerns.
Этот экологический проект направлен на уменьшение загрязнения.
This ecological project is aimed at reducing pollution.
'Экологический' here defines an organization focused on ecological purposes and nature conservation.