advice on a career in environmental/ocean/conservation engineering?

Hi! I'm currently a senior in high school majoring in engineering neat year!

I really want to work in a company that does work meaningful to me: my dream is work that directly helps our planet/ocean/animals/nature in conservation/research/etc.

My goal is to work in a role as an engineer who works on projects that are not repetitive and are super impactful in the field. I hope to work in a role that is super collaborative (not 24/7 desk work) and where I can see the impacts of my projects and whatever my team engineered.

reality: I would prefer a career with good pay (150k+ by 40yo) and room for growth.

im in the midwest for context.

TLDR:

• work that directly benefits our planet/ocean/animals/nature in conservation/research
• collaborative and not-repetitive
• preferably good pay and room for career growth

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I had a few questions:

1. what engineering major would be best to get a role like this? (electrical, mechanical, environmental/ecological, environmental/natural resources, etc)
   1. im leaning electrical or mechanical because I'm afraid with environmental I might be pushed into wastewater/airQuality-related stuff, which sounds super cool, but just doesn't align with my specific goals.
   2. I have a feeling this is marine/field robotics type work?
   3. what specific sector of electrical engineering is best for my concentration?
2. anyone have any experience in this type of role?
3. does anyone have any advice on how I can get this job? (what to focus on in college, specific companies, what areas of the US focuses on this type of work). basically how do i get started in this kind of work?
4. is this type of role super hard to find/get? or is it not because not many people want to work in this niche field?
5. what type of companies are best for these goals (startups, research institutes, big companies, govt like NASA, public/private, etc)? and what should I look for in the role description to make sure the role is what I'm looking for?
6. are there certain skills or things I should do in college to make sure I get a internship/job like this?

- would cold-emailing some companies with questions be annoying? I have some more specific questions that I'd love to ask some specific companies but I don't want to waste their time.

Thanks in advance for all the help!!