While the venom of a few species is dangerous to humans, scientists are now researching the use of spider venom in medicine and as non-polluting pesticides.
en.wikipedia.org Imagine a world where everyone has access to clean water, nutritious food, affordable housing, personalized education, top-tier medical care, non-polluting and ubiquitous energy.
www.wired.com The first bike sharing projects were largely initiated by local community organisations, either as charitable projects intended for the disadvantaged, or to promote bicycles as a non-polluting form of transport.
en.wikipedia.org Of course, it would be a very foolish person who rejected energy that was efficient, non-polluting and cheap.
www.dailymail.co.uk This mechanical engine is then powered by a passive energy source like compressed air, or a combustible non-polluting gas like hydrogen.
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