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Two school children documenting and comparing their findings on the field trip with each other. They are getting advice from the teacher who is looking at their findings.

Environmental Engineers Take Water Samples Into Bottles at Rotten Smelly Pond Water Sources, May Be Contaminated by Toxic Waste or Suspicious Pollution Sites.

Cleaning inside the grease trap by scrub with a steel wire brush, some soap and water.

male and female environmentalist engineers work on concrete for wastewater treatment.Recycling and Ecology concept. Waste processing and water treatment plant

Woman handpicking gathering up garbage plastic straws garbage from the river at the park. World environment day.Environment concept.

Land scientist dropping water sample into container

Group of diverse students in campus outdoors

ecology concept of paper human hands holding big plant tree No pollution Water and forest Clean energy water save

Aerial view of Environmental engineers work at wastewater treatment plants, Water management concept.

Group of volunteers help plant a forest to save the world in the forest park area.Environmental protection project. People and ecology concept.

Happy group of Latin American students talking to their teacher in a design class at a workshop

A man in red shirt and green vest is kneeling down and looking at a body of water.

Female high school students and their teacher use 3D printer in class. The teacher is teaching the girls how to use the printer to create items.

Water analysis operator wearing PPE sample and audit water from the water treatment plant, industrial and environment concept

Woman handpicking gathering up garbage plastic straws garbage from the river at the park. World environment day.Environment concept.

Biologists and wastewater treatment experts Conduct water quality simulation experiments. at the wastewater treatment plant

A multi-ethnic group of school children are on a school science trip to a pond outdoors. Here they use nets to catch bugs and in

Environmental researchers investigate the condition of canal water for toxic spills, river waste water sampling, Asian researchers collect water samples in farmland for research and development.

Multiracial children learning about the environment in their outdoor classroom. A 12 year old boy is sitting cross-legged on the grass taking notes. His friend, a 10 year old African-American girl, examines a leaf through a magnifying glass.

School children and adults participate in a river and stream clean-up day in the Missouri Ozarks.

Scientist wearing protective uniform and glove under working water analysis and water quality by get waste water to check case in laboratory is environment pollution problem concept.

Happy multi-ethnic group of students outdoors looking at the camera and smiling

Aerial View of Two Environmental engineers work at wastewater treatment plants, Water management concept.

Ecologists use a digital tablet while sample water contaminated from industrial estate.

Aerial view shot of two diverse environmentalists Working on the sunlight at a wastewater treatment plant in the industrial estate by walking around and checking the quality of the water

Water and wastewater quality testing services ,Water anaysis team get sample water for check

Cerkezkoy-Tekirdag Wastewater Treatment Plant, a project consisting of advanced filtration and disinfection plant, warehouses and pumping stations with advanced treatment technology.

A group of friends who care for the environment, wearing reflective vests and using litter pickers and plastic bags to pick up litter on a grass area in the centre of Newcastle, North East England. They are bonding while they help clean up the community.

Rear view of a science student in class raising her hand and asking a question to the teacher - STEM concepts

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