4 programs, side by side

Full	McMaster Environmental and Earth Sciences Gateway OUAC MEE ☆ Add to planRemove	Ottawa Environmental Geoscience (4 years) (French Immersion Stream is available) OUAC OWO ☆ Add to planRemove	Waterloo Climate and Environmental Change (Regular/Co-op) OUAC WCE ☆ Add to planRemove	Western Science OUAC ES ☆ Add to planRemove
Your average, their wayrequired courses forced in
Published rangetheir exact wording	83–87%“Mid-80s”	80%	77–80%“High 70s”	80–87%“Low to mid 80s”
Required coursesforced into your top 6 — options are the row below	ENG4U	MCV4UMHF4U	ENG4U	ENG4UMCV4U
Choose one ofany of these satisfies it	one of MCV4U, MHF4U one of SBI4U, SCH4U one of MCV4U, MHF4U, SBI4U, SCH4U, SPH4U	one of ENG4U, FRA4U two of SBI4U, SCH4U, SES4U, SPH4U	one of SCH4U, SPH4U	two of ICS4U, MDM4U, MHF4U, SBI4U, SES4U, SPH4U
Prerequisitesas published	English 4U 1 of Advanced Functions 4U, Calculus & Vectors 4U 1 of Biology 4U, Chemistry 4U 1 of Advanced Functions 4U, Calculus & Vectors 4U, Biology 4U, Chemistry 4U, Physics 4U Applicants without Calculus & Vectors 4U will be required to take an equivalent Calculus course in Level I.	ENG4U or FRA4U MHF4U MCV4U 2 of SBI4U, SCH4U, SPH4U, SES4U A combined minimum average of 70% is required for all prerequisite courses in science and mathematics. +2 more on the program page	English (ENG4U – min. 70%) Any Grade 12 U Mathematics (min. 70%) Chemistry or Physics	English, ENG4U Calculus and Vectors MCV4U Two of: Advanced Functions, MHF4U Biology, SBI4U +7 more on the program page
More than marks?supplementary application	Marks only	Marks only	Marks only	Yes Unless otherwise noted, required courses must be completed with a minimum average of 70%. Western Integrated Science applicants must submit a supplementary application. More information Usually closes before January 15
Co-op	Available	Available	Available	Available
Degree	—	Bachelor of Science, BSc, Bachelor of Science (Co-op), BSc (Co-op)	—	—
First-year intakewhere published	85	—	5	550
What you study	Environmental StudiesHuman GeographyPhysical Geography	Environmental StudiesGeologyHuman GeographyPhysical Geography	ChemistryEnvironmental StudiesHuman GeographyPhysical Geography	Animal ScienceAstronomyBiological SciencesChemistry
What it is	This program introduces you to how Earth's physical systems — climate, geology, water — interact with human society and geography. You explore environmental challenges through both natural science and social perspectives, rather than focusing on just one. It suits students curious about environmental issues from multiple angles who want hands-on experience through co-op placements.	Environmental Geoscience is the study of Earth's physical systems — rocks, landforms, water, and climate — combined with how human activity affects and depends on the environment. It differs from pure geology because it emphasizes the interactions between natural processes and people, drawing on geography and environmental science alongside earth science. It suits students curious about how landscapes form and change, and interested in solving real-world problems like pollution, resource management, or climate impacts.	You study how Earth's climate and environment work, using chemistry, physics, and geography to understand weather systems, ecosystems, and human impacts. This program combines natural science with social geography, so you examine both the physical causes of environmental change and how people and communities respond to it. It suits students curious about climate science who want hands-on experience through co-op placements alongside their coursework.	This is a broad science degree where you choose from fields like biology, chemistry, physics, computer science, geology, and others. You take foundational science courses in first year, then specialize by selecting which science subjects to focus on. Co-op is available, letting you do paid work terms at science-related employers alongside your studies.
The door tomajors you reach through it	earth scienceenvironmental science	Applied to directly	Applied to directly	biologychemistryearth scienceenvironmental sciencelife sciencesmathematicsphysicsstatistics
Entrance awardsat this campus, by average	5 published, 3 with no applicationfrom 75%See them	22 published, 5 with no applicationfrom 75%See them	4 published, 3 with no applicationfrom 80%See them	6 published, 5 with no applicationfrom 85%See them
Source	McMaster University on OUInfo	University of Ottawa on OUInfo	University of Waterloo on OUInfo	Western University on OUInfo

Ranges are what each university publishes, not guaranteed cutoffs, and limited-enrolment programs often admit above them. Confirm anything you are about to act on with the university; each column links to its source.