Two ecologists wearing protective coveralls and respiratory masks discussing test tubes with samples of polluted water while working at gulf coast
Two female ecologists wearing protective coveralls and respiratory masks examining test tubes with samples of polluted water and talking while working at gulf coast
Senior woman wearing protective respirator mask spraying potted plants with pesticides in greenhouse
Two ecologists wearing protective coveralls and respiratory masks collecting samples of lake water in polluted area with warning biohazard sign
Young woman and man caring for plants in a glasshouse together
Skywheel At Niagara Falls With Some People Wearing Masks
Low angle view of African American ecologist in protective coverall and respiratory mask applying chemicals with backpack sprayer to fence by gas pipeline
Low angle full shot of ecologist in protective coverall and respiratory mask walking with backpack sprayer and applying chemicals to fence along gas pipeline
Group of ecologists wearing protective coveralls and respiratory masks walking along gulf coast with sample case and having discussion while doing research in polluted area
Young Adult Farm Worker Spraying Pest Control on Cabbage Field
Young students in a diverse couple wearing masks and practicing social distancing
Long shot footage of unrecognizable farm worker wearing mask spraying cabbage with pest and disease control liquid