It is a commitment everyone has towards the society - contributing towards social, cultural and ecological causes.

We found ourselves at least temporarily at odds with much of organized science, our usual ally in ecological causes.

But in death, he became a martyr for the ecological cause, known to millions worldwide.

Sumrall and Wray argue that the loss of the old symmetry had both developmental and ecological causes.

Richard Jonckheere is a strong supporter of ecological causes.

There are also ecological causes of the poor soil quality.

People who were indifferent to ecological causes suddenly sympathized with a woman who'd been threatened with the loss of her children.

While the teen-agers' walls proclaim allegiance to rock groups and ecological causes, their hearts hold secrets.

Almost as shocking (at least for me) were the gala events to raise money for ecological causes in the early 1990's.

"Many others support our ecological causes and might even wish to join, but the Brotherhood is not open to outsiders."