AP Environmental Science Tutoring for the May Exam
AP Environmental Science draws on biology, chemistry, geology and geography at once, and the exam asks students to apply them to unfamiliar scenarios, data and investigations rather than to recall facts. Its calculations — percentages, rates, unit conversions — must be shown step by step with units, and from 2027 they are done without a graphing calculator.
Short answer
AP Environmental Science is offered online, one-to-one or in a group class.
A private lesson runs 90 minutes and starts at USD 65 per lesson; the group course runs 50 lessons of 90 minutes for USD 1,755, and a class never takes more than 6 students.
Group classes next begin on 18 September 2027.
From USD 65 per lesson
- 2 scored components, from AP Central
- Live online lessons of 90 minutes
- From USD 65 per lesson
How AP Environmental Science is assessed
Set and scored by College Board and reported on the 1–5 AP scale. Each university sets its own rule on which scores earn credit or placement. Component names are as College Board prints them.
College Board
AP Environmental Science · AP Central exam page
| Component | Share of score | Length | What it involves |
|---|---|---|---|
| Section I: Multiple Choice | 60% | 1 hour 30 min | 80 questions in 1 hour 30 minutes, individual and in sets: 3–5 sets on quantitative data (tables, charts, graphs), 3–5 on qualitative information (models, representations, maps) and 2 on text-based sources. A four-function (with square root) or scientific calculator, or the Desmos scientific calculator in Bluebook, is allowed in both sections; from 2027, handheld calculators with storage, such as graphing calculators, are not. |
| Section II: Free Response | 40% | 1 hour 10 min | 3 questions in 1 hour 10 minutes, each worth 10 points and built on an authentic environmental scenario: Design an investigation (from a model or visual representation), Analyze and interpret quantitative data (a table, chart or graph) and Analyze an environmental problem doing calculations, where working must be shown. Each question also asks you to propose solutions to environmental problems. |
- The whole exam is taken in College Board’s Bluebook app.
- 2027 exam date: 13 May 2027.
Checked on 8 October 2026
College Board revises individual exams between years. The exam page linked above is the authority for your sitting.
The AP Environmental Science syllabus
Topic names are left in English, as they appear on the paper and in the mark scheme.
Unit 1: The Living World: Ecosystems (6–8%)
Terrestrial and aquatic biomes · Primary productivity · Carbon, nitrogen, phosphorus, and water cycles · The flow of energy in an ecosystem and the 10% rule · Food chains and food webs
Unit 2: The Living World: Biodiversity (6–8%)
Ecosystem services · Island biogeography · Ecological tolerance · Natural disruptions to ecosystems · Ecological succession
Unit 3: Populations (10–15%)
Generalist and specialist species · Survivorship curves · Population growth and resource availability · Age structure diagrams · Human population dynamics
Unit 4: Earth Systems and Resources (10–15%)
Tectonic plates · Soil formation and erosion · Earth’s atmosphere · Global wind patterns · El Niño and La Niña
Unit 5: Land and Water Use (10–15%)
The tragedy of the commons · The Green Revolution · Types and effects of irrigation · Meat production methods and overfishing · The impacts of mining · Urbanization and ecological footprints
Unit 6: Energy Resources and Consumption (10–15%)
Energy sources and fuel types, including fossil fuels, ethanol, and nuclear power · Global energy consumption and distribution of natural resources · Natural sources of energy, including solar power, wind, geothermal, and hydroelectric power · Energy conservation methods
Unit 7: Atmospheric Pollution (7–10%)
Introduction to air pollution · Photochemical smog · Indoor air pollution · Methods to reduce air pollutants · Acid rain
Unit 8: Aquatic and Terrestrial Pollution (7–10%)
Sources of pollution · Thermal pollution · Solid waste disposal and waste reduction methods · Pollution and human health · Pathogens and infectious diseases
Unit 9: Global Change (15–20%)
Ozone depletion · Global climate change · Ocean warming and acidification · Invasive species · Human impacts on diversity
Where AP Environmental Science marks are usually lost
Answers without working or units
The Calculate task verb requires the setup, the substituted numbers and correctly labelled units, and the course description is blunt: without appropriate units, a calculation is meaningless even when the arithmetic is right. Students who type only a final number, or lose track of units halfway through a conversion, give away points they had otherwise earned. Dimensional analysis, written out line by line, is the habit to build.
Proposing solutions that are too vague
Every free-response question asks for solutions to environmental problems, and “propose a solution” means a specific measure based on evidence or knowledge. “Reduce pollution” or “raise awareness” does not do what the verb asks. A mechanism does: permeable pavement to cut urban runoff, scrubbers on coal-fired power stations, drip irrigation in place of flood irrigation, together with a drawback where the question asks for one.
Designing an investigation with no control
The investigation question draws on the course’s scientific experiments practice: identifying a testable hypothesis, the independent and dependent variables, the control group and the factors to hold constant. Students who describe an interesting activity without naming what is changed, what is measured and what is kept the same lose those points. Lab and field work during the year, for which the course sets aside class time, is the best preparation.
How we teach AP Environmental Science
A tutor teaches Environmental Science as applied science rather than as a list of issues. Each unit starts from the mechanism — how nitrogen moves through soil, why an age-structure diagram predicts growth, how a thermal inversion traps smog — and ends with a free-response question set in a real scenario. Calculation practice runs all year in short, regular doses, with working and units written out on a scientific or four-function calculator, since graphing calculators are not allowed from 2027. African settings make good case studies: dryland degradation in the Sahel, the fisheries of Lake Victoria, air quality in Lagos or Cairo. Released questions are scored with College Board’s guidelines, so the student learns what “propose a solution” and “justify” require.
There is no separate diagnostic, because there is no single test that stands in for two years of a school syllabus. The first lesson is the assessment: the tutor works through your recent marked work, past-paper questions from your own specification, and the units your school has already covered, and reads current level, gaps, exam technique and where school work stands. It is a normal paid lesson and it teaches as it assesses.
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