Sentences with phrase «ecological resources become»
The islands» ecological resources become a natural classroom and living laboratory in which families embark on eco-adventures.
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Solar and wind energy require essentially no water at a time when stress on water resources is becoming an ever larger economic and ecological issue.
In a world where climate change, diminishing natural resources and an increasing global population have become indisputable facts of life there is now a rising demand for evolved buildings that no longer endanger the Earth's fragile ecological systems.