Windturbines, bomen, gras en vogels uit een open boek op houten tafel boven wazige groene boom in park, Ecologisch milieuconcept - Stockfoto’s en -afbeeldingen

Wind turbines, trees, grass and birds from an open book on wooden table over blur pink flower and garden, Ecological concept

Table with trees, windmills and solar panels models on grass in office

Wind turbines, trees, grass and birds from an open book on wooden table over modern city tower, office building and skyscraper, Business ecological energy concept

Wind turbines, trees, green grass and birds from an open book on wooden table over sunset sky and sea, Business ecological energy concept

Wind turbines, grass and trees in human hands over pollution city, Ecological concept

Wind turbines, grass and trees in human hands over black and white sky with clouds, Ecological concept

Wind turbines, grass and trees in human hands over black and white city tower and river, Ecological energy concept

Wind turbines, grass and trees in human hands over black and white sea, Ecological concept

Wind turbines, grass and trees in human hands over green grass with clouds, rainbow and blue sky, Ecological power and energy concept

Light bulb with wind turbines, birds and forest inside in hands over blue sky with white clouds, Ecological concep

Wind turbines, grass and trees in human hands over blue sky with white clouds, Ecological concept

Hand holding solar cell and fresh green tree leaves on soil with light bulb over blur forest, Green ecology and saving energy concept

Light bulb with wind turbines, birds and forest inside in hands over green grass with blue sky, clouds, and rainbow, Ecological concep

Earth with tree from an open book on wooden table over blur pink flower and garden, Ecology concept, Elements of this image furnished by NASA

Wind turbines, grass and trees in human hands over green grass with blue sky, clouds, and rainbow, Ecological concept