The environment is a gigantic and immensely complexsystem. It is impossible to study every aspect of it. It is divided into many different fields of sciences.
For example:
Geologists: Studying the ground, plate tectonics, volcanoes and so on.
Zoologists: Studying wildlife.
Paleontologist: Studying prehistoric life.
Botanists: Studying plants.
Meteorologist: Studies the weather.
Environmental studies: Studying humanity's interaction with the environment.
There are so many sciences concerning the environment and not only its present state but also its past, its evolution or trying to predict its future etc. that it is impossible to list them all.
an ecologist :)
An environmental scientist studies environmental science.
Environmentalist
An environmental scientist.
an ecologist
A geological scientist studies rock and stones.
taxonomistBotanist
Biologist
A geologist or a geophysicist.
an ecologist
An ecologist studies pollution
There are several scientific field dealing with pollution. Some of them are:EcologyEngineeringBiologyAgricultureMeteorologyMedicineHydrologyForestryEnvironmental studiesIndustrial Hygiene
The name for this type of scientist is a teuthologist
A geological scientist studies rock and stones.
a type of scientist who studies about metal is called metallururgist
A scientist who studies animal life is a zoologist. There is no particular name for a scientist that specialises in platypuses.
The type of scientist that studies the environment is an enviromentologist.
what scientist studies hydrogen and oxygen
chromotologists
Aeronomist
A botanist.