Écologiste travaillant ensemble sur la plage sale du lac. Écologie et concept humain . - Photo & image de stock

Ecologist working together on on dirty beach of the lake. Ecology and people concept.

Scientists or biologists wearing protective uniforms working together on water analysis. Ecology and environmental pollution concept.

Scientist or biologist wearing protective uniforms examining the liquid contents of a test tube. Ecology and environmental pollution concept.

Biologist with bulb in hand on river bank in summer

Scientist in chemical protective suit with conical flask taking sample from river for analysis

Scientists or biologists working together on water analysis. Ecology and environmental pollution concept.

Hand in glove collects water in a test tube.

Scientist dosimetrist (radiation supervisor) in protective clothing and gas mask with geiger counter checks the level of radioactive radiation in the danger zone

Scientist dosimetrist (radiation supervisor) in protective clothing and gas mask with geiger counter checks the level of radioactive radiation in the danger zone

Hand in glove collects water in a test tube.

Female scientist examining the liquid contents of a test tube in the forest. Ecology and environmental pollution concept.

Closeup of a female scientist examining the liquid contents of flask in the forest. Ecology and environmental pollution concept.

Hand in glove collects water in a test tube.

Scientist dosimetrist (radiation supervisor) in protective clothing and gas mask with geiger counter checks the level of radioactive radiation in the danger zone