Environmental Science
A rigorous curriculum on the Earth as a coupled system — its biogeochemical cycles, ecosystems, climate, pollution pathways, and the sustainability and policy frontier. Built for working professionals who already had a weak intro environmental class and want a complete, mechanistic mental model: how the carbon cycle actually works, why climate models project what they do, where pollutants travel, and which interventions move planetary boundaries. Every course pairs scientific mechanism with a real-world implication so the learner can reason about environmental decisions, not just recite definitions.
6 pillars22 courses212 concepts~320h estimated
What you'll learn
Earth as a System
Earth Systems Science(13 concepts)
- The Coupled Earth Spheres
- Negative Feedback & Homeostasis
- Earth's Energy Balance
- The Gaia Hypothesis
- Stocks, Flows & Residence Time
- Positive Feedback & Amplification
- Mass Balance Across Reservoirs
- The Anthropocene
- The Cryosphere as a Distinct Sphere
- Lags, Thresholds & Tipping Points
- Open Energy Flow, Closed Matter Cycling
- Earth System Science as a Discipline
- The Anthroposphere
Atmospheric & Ocean Circulation(9 concepts)
- Global Wind & Circulation Patterns
- Wind-Driven Ocean Gyres
- El Niño-Southern Oscillation (ENSO)
- The Hadley Cell & Tropical Overturning
- Thermohaline Circulation & AMOC
- NAO, PDO & AMO
- Jet Streams & Rossby Waves
- Upwelling & Coastal Productivity
- Variability vs Trend
Planetary Boundaries Framework(9 concepts)
- The Safe Operating Space
- Climate Change Boundary
- From Boundaries to the Doughnut
- Control Variables & Thresholds
- Biosphere Integrity Boundary
- Critiques of the Framework
- Global vs Regional Boundaries
- Biogeochemical Flows Boundary (N & P)
- Freshwater, Land-Use, Aerosols, Ozone, Acidification & Novel Entities
Biogeochemical Cycles(13 concepts)
- Biogeochemical Cycles Overview
- Nitrogen Fixation
- The Phosphorus Cycle
- The Water Cycle
- The Fast Carbon Cycle
- Nitrification & Denitrification
- The Sulfur Cycle
- Evapotranspiration & the Land-Atmosphere Coupling
- The Slow Carbon Cycle
- The Reactive Nitrogen Problem
- Ecological Stoichiometry
- Atmospheric Rivers & Moisture Transport
- Airborne Fraction & Carbon Sinks
Ecology & Biodiversity
Ecosystem Dynamics & Succession(9 concepts)
- Primary Production
- Primary & Secondary Succession
- Resilience, Resistance & Regime Shifts
- Secondary Production & Trophic Efficiency
- Disturbance Regimes
- Ecosystem Services Framework
- Energy in Ecosystems
- Novel Ecosystems
- Natural Capital & Its Limits
Biodiversity & Conservation Biology(10 concepts)
- Biodiversity & Conservation
- Island Biogeography Theory
- Biodiversity Hotspots
- Genetic Diversity & Inbreeding
- SLOSS & Corridors
- EDGE & Phylogenetic Distinctiveness
- Habitat Destruction & Pollution
- Protected-Area Networks & 30×30
- Conservation Triage
- The HIPPO Drivers
Restoration & Rewilding(8 concepts)
- Reference Ecosystems & Shifting Baselines
- What Rewilding Is
- Assisted Migration
- Passive vs Active Restoration
- Trophic Rewilding & Cascade Evidence
- De-Extinction & Analog Species
- Measuring Restoration Success
- Rewilding & Human Conflict
Population & Community Ecology(10 concepts)
- Population Dynamics
- Species Interactions
- Species Diversity & Richness
- Life-History Strategies
- Lotka-Volterra Predator-Prey Dynamics
- Keystone Species & Ecosystem Engineers
- Survivorship Curves & Demography
- Competitive Exclusion & Coexistence
- Food Webs & Energy Flow
- Metapopulations & Source-Sink Dynamics
Climate Science
Anthropogenic Climate Change(10 concepts)
- Human Causes of Climate Change
- Global Temperature Record
- SSP-RCP Scenarios
- The Isotopic Fingerprint
- Cryosphere Loss
- Committed Warming
- Stratospheric Cooling: The Smoking Gun
- Sea Level Rise
- 1.5°C vs 2°C: Why the Difference Matters
- Ocean Warming, Acidification & Deoxygenation
Climate Modeling, Feedbacks & Tipping Points(10 concepts)
- General Circulation Models
- Equilibrium Climate Sensitivity
- Climate Tipping Elements
- Parameterization & Subgrid Processes
- Feedback Decomposition
- Early Warning Signals
- CMIP & Model Intercomparison
- The Fat-Tailed Sensitivity Distribution
- Reversibility & Hysteresis
- Climate & Energy Balance Models
Atmospheric Science Fundamentals(12 concepts)
- Atmospheric Composition
- Stefan-Boltzmann & Earth's Effective Temperature
- Clouds & Precipitation
- Weather vs Climate
- Atmospheric Layers
- The Greenhouse Effect
- Cloud Radiative Feedback
- Detection & Attribution
- Stratospheric Ozone
- Radiative Forcing
- Aerosols: Direct & Indirect Effects
- Why CO₂ Matters Even Though Water Vapor Doesn't Force
Past Climates & Paleoclimate(9 concepts)
- Ice Cores
- Deep-Time Climate
- Milankovitch Cycles
- Marine Sediment Cores
- Evidence of Past Climate Change
- Abrupt Climate Events
- Tree Rings, Speleothems & Corals
- The PETM as a Natural Analog
- Holocene Stability & Why It Matters
Pollution & Environmental Health
Soil, Waste & Land Degradation(9 concepts)
- Soil Formation & Structure
- Major Soil Contaminants
- Municipal Solid Waste
- Soil Erosion
- Superfund & Brownfields
- E-Waste
- Salinization & Waterlogging
- Bioremediation & Phytoremediation
- Desertification
Air Pollution & Atmospheric Chemistry(9 concepts)
- Particulate Matter (PM2.5 & PM10)
- Photochemical Smog
- Transboundary & Long-Range Transport
- Ground-Level Ozone
- Indoor Air Pollution
- Clean Air Act & NAAQS
- NOx, SOx & CO
- Radon, VOCs & Mold
- Lead & Hazardous Air Pollutants
Water Pollution & Aquatic Systems(8 concepts)
- Point vs Nonpoint Source Pollution
- Groundwater Contamination
- Marine Plastic Pollution
- Eutrophication & Dead Zones
- PFAS: The Forever Chemicals
- Oil Spills & Chronic Discharge
- Pathogens, Sediment & Thermal Pollution
- Pharmaceuticals & Microplastics
Environmental Toxicology & Human Health(7 concepts)
- Dose-Response & LD₅₀
- Biomagnification & Trophic Transfer
- Quantitative Risk Assessment
- Exposure Pathways & Routes
- Endocrine Disruption
- Cumulative Risk & Co-Exposure
- Biomonitoring & Body Burden
Resources & Sustainability
Food, Agriculture & Land Use(9 concepts)
- Food System Emissions
- The Green Revolution & Its Legacy
- Livestock & Ruminants
- Land Footprint of Food
- Organic vs Conventional
- Fisheries & Aquaculture
- Water Footprint of Food
- Regenerative Agriculture
- Food Loss & Food Waste
Water Resources & Hydrology(8 concepts)
- Global Water Budget
- Aquifers & Groundwater
- Water Rights & Allocation
- Blue Water, Green Water & Grey Water
- Groundwater Overdraft
- Virtual Water & Water Trade
- Watersheds & Hydrographs
- Water Scarcity & Its Drivers
Energy Systems & Transitions(12 concepts)
- Primary, Final & Useful Energy
- Grid Structure & Resource Roles
- Nuclear Power
- Historical Energy Transitions
- Energy Sources Compared
- LCOE & the Value Distinction
- Geothermal & Nuclear Energy
- Wright's Law & Learning Curves
- Energy Intensity & Decoupling
- Variable Renewable Integration
- Solar Energy Budget
- Wind & Hydro
Solutions, Policy & Action
Conservation Practice & Environmental Justice(9 concepts)
- Protected Area Management
- Environmental Justice Foundations
- Climate-Biodiversity Nexus
- Payments for Ecosystem Services
- Environmental Ethics
- Just Transition
- Indigenous-Led Conservation
- Justice40 & Allocation
- Planetary Health
Climate Mitigation & Adaptation(10 concepts)
- Pacala-Socolow Wedges
- Carbon Dioxide Removal Portfolio
- Incremental, Resilience, Transformative Adaptation
- Electrification as the Master Lever
- Removal vs Avoided Emissions
- Maladaptation
- Hard-to-Abate Sectors
- Solar Geoengineering
- Loss & Damage
- Natural Climate Solutions
Environmental Economics & Policy(9 concepts)
- Externalities & Market Failure
- Environmental Kuznets Curve
- Climate Cooperation
- Carbon Pricing
- Ecological Economics
- Why Treaties Succeed or Fail
- Choosing Policy Instruments
- Degrowth & Post-Growth
- Social Cost of Carbon
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Environmental Science
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History
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Probability & Statistics
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Frequently asked questions
How long does the Environmental Science roadmap take?
About 320 hours of focused learning. At Mochivia's 15-minutes-a-day pace that's roughly 42 months — and going deeper on some days shortens it. The roadmap is self-paced, so there's no deadline.
What does the Environmental Science roadmap cover?
22 courses across 6 areas — Earth as a System, Ecology & Biodiversity, Climate Science, Pollution & Environmental Health, and more — broken into 212 bite-size concepts, each taught as an interactive lesson.
Do I need prior experience to start?
No. The roadmap starts from fundamentals and builds in prerequisite order — each concept unlocks the next, so you're never thrown into material you haven't been prepared for. If you already know the basics, a placement check skips you ahead.
Is the Environmental Science roadmap free?
You can sign up free and start learning immediately. Mochivia's premium subscription unlocks unlimited daily lessons and the full roadmap depth.
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