Environmental research

Environmental Science

Bachelor of Science

Graduates of this program pursue careers studying and managing environmental systems, ensuring compliance with environmental laws, advising policymakers and working with industry to lessen environmental impact.



We will prepare you to find innovative and sustainable solutions to today’s critical environmental challenges, including pollution and climate change. Our enthusiastic and knowledgeable faculty will engage you in the process of creating new scientific knowledge that, in turn, will enable you to impact a rapidly changing world.

An online bachelor’s degree in environmental science from the University of Arizona empowers you with a diverse and practical skillset in science, communication, critical thinking and leadership, enabling you to tackle any issue affecting our land, air and water systems.

Our graduates work on the sustainable management of land and water resources; the environmental impact of resource extraction, agriculture and urbanization; and the remediation and restoration of disturbed environments.

Career Level: Undergraduate
Degree: Bachelor of Science
College: College of Agriculture & Life Sciences

Cost & Eligibility

Per Unit Cost: $525
*Residents of some U.S. Territories may not be eligible. Please see our Eligibility & State Authorization page for more information.

Wondering about the specific classes you can take in this program? See the course descriptions below.

ENVS 210 Fundamentals of Environmental Science and Sustainability - This course is about how modern science and technology have increased our understanding of the Earth’s environment and improved our ability to solve the important environmental challenges facing humanity, including climate change, pollution, loss of biodiversity, and water shortages.

ENVS 195A Careers in Environmental Science - Want to learn about the environment and what environmental scientists do? Want to hear about real environmental science careers from practicing professionals? Want to learn how to use the resources of UA Career Services to find that career for you? Well then, this is the course for you. Join us.

ENVS 305 Pollution Science - Introduction to abiotic and biotic scientific processes within the soil/water/atmosphere continuum that affects the fate and transport of pollutants. Evaluation of the extent, fate, mitigation and impact of environmental pollution.

Student taking a UA Online course


Earning your Bachelor of Science in Environmental Science will build core skills, including:

  • biology
  • communication skills
  • environmental laws and regulation
  • global climate change
  • planning
  • project management
  • renewable energy
  • research

Explore career opportunities that graduates holding a Bachelor of Science in Environmental Science have pursued

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Soil, Air and Water

Want to expand your knowledge about our ecosystems? This path in our environmental science program emphasizes strategies to help you solve difficult issues faced by civilization in its stewardship of Earth’s physical resources. Course topics include: environmental chemistry, environmental physics, environmental microbiology, biostatistics, geographic information sciences and professional development for environmental careers.

Graduates work as scientists, technicians, consultants and project managers. Some of these jobs may require an advanced degree or certification, but with a bachelor’s degree in Environmental Science focusing on soil, air and water, you’ll be well on your way to a successful career.

Examples of classes that you will take are:

·     ENVS 410: Soil Physics

·     ENVS 316: Soil Fertility and Plant Nutrition


The following courses are prerequisites for this degree and are not offered in a fully online format. Students enrolled in this program will need to transfer in or obtain equivalent credit concurrently for these courses:

·      CHEM 151: General Chemistry I (4 units)

·      CHEM 152: General Chemistry II (4 units)

·      MIC 205A: Introductory Microbiology (3 units)

·      CALCULUS (3-4 units) Core Class

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Leadership, Sustainability and Communication

Learn how to advocate for our environment! This path in our environmental science program teaches you environmental laws, regulations and policies so you can devise policies in response to pollution, waste management, biodiversity, natural resource management and climate change.

Course topics include: fundamentals of environmental science and sustainability, environmental justice, communicating science and environmental ethics.

Graduates work in government, private and public sectors focusing in sustainability, advocacy and policy.

An example of a course you will take in this emphasis is:

·      ENVS 310: Ecosystem Health and Justice

The following courses are prerequisites for this degree and are not offered in a fully online format. Students enrolled in this program will need to transfer in or obtain equivalent credit concurrently for these courses:

·      CHEM 151, General Chemistry I (4 units)

·      CHEM 152, General Chemistry II (4 units)

·      MIC 205A, Introductory Microbiology (3 units)

Leadership, Sustainability and Communication Emphasis Icon
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