Hello Student

The field of science which you are enough in search of for protecting the nature and to serve it well the Environmental Science is the only course of study  through which you can get knowledge about protecting the nature and it's environment. Environmental science includes biology, zoology, plant science, ecology, physics, chemistry, oceanology, mineralogy, limnology, soil science, geology, physical geography, atmospheric science, are the subjects included in the study of environmental science.so after doing UG can you can do PG courses in Environmental Science and after doing a PhD in environmental science you can get  wide opening for your career like environmental scientist, conservationist, teaching job like lecturer, environmental consultant, environmental journalist.

Hope this helps.