A environmental portrait is taken of the person in there most natural settings this typical gives more depth to the images. There whole life can be represented in a photo.
Annie Leibovitz was born in 1949, she is most known for her engaging environmental portraits.
This portrait of a sailor on his boat sailing. This image is a perfect example of an environmental portrait, an image of a person in their own habitat.
All these photographs, I think are very good environmental portraits. they all tell a story of the subject and their environmental and incite on personality.
Your written research, observations and insights are basic. They need to become more competent, thorough and insightful. Look at the following link to see an example of a competent and confident research blog post on Environmental Portraiture. ie: setting the scene. https://hautlieucreative.co.uk/photo23al/author/lbates12/
or speak to me to discuss if unsure.