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Hand holding light bulb against nature on green leaf with icons energy sources for renewable, sustainable development. Ecology concept. Elements of this image furnished by NASA.
Volunteer man collecting trash on the beach. Ecology concept
Hands protecting globe of green tree on tropical nature summer background, Ecology and Environment concept
The seedling are growing from the rich soil to the morning sunlight that is shining, ecology concept.
Energy saving eco lamp, made with green sprout and leaves,isolated on white background. LED lamp with green leaf. Minimal nature concept.Think Green.Ecology Concept. Environmentally friendly planet.

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