A general shot of a scientist in protective overalls, goggles and masks studying plants on polluted land
Close-up hands of a scientist in protective overalls and gloves studying plants on polluted land
Two ecologists in protective coverall suits and respiratory masks collecting samples of lake water in polluted area into test tube
Two ecologists wearing protective coveralls and respiratory masks collecting samples of lake water in polluted area with warning biohazard sign
Two ecologists wearing protective coveralls and respiratory masks discussing test tubes with samples of polluted water while working at gulf coast
Two shocked scientists in protective coveralls and masks collecting samples in infected zone
Dedicated scientist collecting water sample from polluted river to monitor environmental impact
Two female ecologists wearing protective coveralls and respiratory masks examining test tubes with samples of polluted water and talking while working at gulf coast
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
Ecologist wearing protective coverall and respiratory mask collecting sample of soil on polluted gulf shore with warning biohazard sign
Professional ecologist in protective coverall, respiratory mask and gloves collecting water sample into test tube from polluted gulf
Team of professional ecologists in protective coveralls, gloves, helmets and respiratory masks standing in polluted area, using laptop and talking