Environmental Science (JNM-401) crash course, Online B.Tech, Semester 4:
Environmental legislation (Water Act 1974, Air Act, EPA 1986, Forest Conservation Act) and climate mechanisms (carbon credits, CDM, carbon footprint) give two…
- 5 video lessons
- 52 min
- Study notes
- 25 quiz questions
- Assignment
5 lessons in Environmental Science
Each lesson pairs one topic with a hand-picked video, trimmed to the part that teaches it.
About this subject
Environmental legislation (Water Act 1974, Air Act, EPA 1986, Forest Conservation Act) and climate mechanisms (carbon credits, CDM, carbon footprint) give two easy long answers; acid rain/global warming and food chains/webs are the alternatives. All questions are descriptive.
- 1
Air/water pollution, acid rain and global warming
Must study for the exam (×4 · A5, A6, B3, C3 2 + 2 + 5 + 15 marks · MCQ, short note, long descriptive).
Atmospheric Pollution Explained in 3D | Global Warming & Acid Rain | Class 11 Chemistry· Elearnin· 13 min
Study notes 5 quiz questionsWatch lesson - 2
Carbon credits, CDM and carbon management
Must study for the exam (×4 · A3, A4, B2, C2 2 + 2 + 5 + 15 marks · MCQ, short note, long descriptive).
Carbon Credit | Clean development mechanism CDM | Carbon offset· Dr. Neha Patni· 16 min
Study notes 5 quiz questionsWatch lesson - 3
Environmental legislation
Must study for the exam (×4 · A1, A2, B1, C1 2 + 2 + 5 + 15 marks · MCQ, short note, long descriptive).
ALL Environment Laws in 30 Mins! Complete Revision for UPSC Prelims 2026 | Mukesh Jha· Unacademy IAS: English· 14 min
Study notes 5 quiz questionsWatch lesson - 4
Ecosystems: structure, energy flow, food chains
High value for the exam (×4 · A7, A8, B4, C4 2 + 2 + 5 + 15 marks · MCQ, short note, long descriptive).
Food Chain and Food Web in Eco-system | Environmental Science | Letstute· Let'stute· 4 min
Study notes 5 quiz questionsWatch lesson - 5
Environment and its components, hydrological cycle
If time permits for the exam (×4 · A9, A10, B5, B6 2 + 2 + 5 + 5 marks · MCQ, definition).
Water Cycle | Hydrological Cycle | Environmental Science | EVS | LetsTute· Let'stute· 5 min
Study notes 5 quiz questionsWatch lesson
Assignment
Environmental Science Exam Practice Set: Pollution, Carbon Management, Laws and Ecosystems
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Hand-picked video lessons
5 short lessons, each with the best YouTube explanation we could find, trimmed to the part that matters.
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Study notes
5 lessons come with a summary, key points, key terms and takeaways for quick revision.
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Quizzes
25 questions across the course, with the right answer and why, the moment you pick.
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Assignments
1 subject assignments with clear tasks, so you practise what each subject actually asks of you.
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Notebook
Write notes beside the video, stamped with the exact time, and jump back to that moment later.
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Progress that follows you
Completed lessons, quiz scores and where you stopped, saved to your account on every device.
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Live chat
A members-only live chat beside every lesson: doubts, tips, stickers and GIFs with your batch. One ₹19 pass opens every live chat.
The Online B.Tech live chat. Study together, live.
A live chat right beside the video, shared by everyone studying Online B.Tech. Ask a Environmental Science doubt mid-lesson, share a shortcut, celebrate a finished semester.
- Live chat beside every lesson
- One live chat for all of Online B.Tech
- Members-only stickers & GIFs
- One ₹19 pass opens every live chat
Online B.Tech live chat
Anyone else finding Environmental Science tricky? 😅
Lesson 2 cleared it up for me. Watch it before the quiz

Doing it now, thanks!
Starting Engineering Geology tonight if anyone wants to go together
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Environmental Science: common questions
Environmental legislation (Water Act 1974, Air Act, EPA 1986, Forest Conservation Act) and climate mechanisms (carbon credits, CDM, carbon footprint) give two easy long answers; acid rain/global warming and food chains/webs are the alternatives. All questions are descriptive. It's the Environmental Science subject of Online B.Tech, Semester 4, in 5 lessons: Air/water pollution, acid rain and global warming; Carbon credits, CDM and carbon management; Environmental legislation; Ecosystems: structure, energy flow, food chains; Environment and its components, hydrological cycle.
Yes. Every video lesson is free to watch without an account. A free login unlocks study notes, quizzes, the assignment, a notebook and progress that syncs across devices.
About 52 min of video across 5 lessons, plus time for notes and quizzes. Go at your own pace; your place is saved.
Yes: “Environmental Science Exam Practice Set: Pollution, Carbon Management, Laws and Ecosystems”. It comes after the last lesson, with a brief, clear tasks and how the work is judged.
A members-only live chat beside the video, shared by everyone studying Online B.Tech, where learners ask doubts, share tips and react with stickers and GIFs. One ₹19 pass, paid once from your InsideEdge wallet, opens the live chat for every degree.
No. It's a crash course to help you understand and revise the subject quickly. Use it alongside your official study material and assignments.