The buildings and grounds of the Center were developed with ecological principles in concept and construction.

Be prepared to learn a variety of skills, such as basic ecological principles and plant identification!

Helps students understand key scientific and ecological principles.

In general, Gosling's research pertains to evolutionary and ecological principles.

Ecopsychology studies the relationship between human beings and the natural world through ecological and psychological principles.

This sound ecological principle is enshrined in European law.

We know that fisheries agreements are not only intended to provide economic benefits for those involved, but must also be based on ecological principles.

In these areas also we must ensure more efficiency, more ecological principles.

It does this by taking using ecological principles to balance the needs of wildlife with the needs of people.

She had been looking "for a religious framework appropriate to ecological principles" at the time.