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Alison has over 2,000 high quality courses available across 9 distinct categories, all absolutely free to complete. All our courses are self-paced and have been designed by subject matter experts, to give you an interactive and enriched learning experience.
Depending on your learning goal, you can choose from:
Certificate courses (average time: 2-3 hours), which help you focus your learning to provide you with specific expertise in your field or industry.
Diploma courses (average time: 8-10 hours), which are designed to give you a more extensive understanding of a subject area, by helping you master multiple concepts within a subject.
Learning Paths (average time: 18-20 hours), which are a combination of niche courses that have been specially designed by experts, to help you: Broaden your skill set; Progress your knowledge; or Master a subject.
Use the search bar on the left if you are looking for a specific category, or browse through all courses below, and let’s get learning!
Alison offers two kinds of online science courses: short certificate courses and more thorough diploma courses. If you want to take a certificate course, we suggest you check out the Solar Energy - Solar Technology and Its Use Worldwide and the Renewable Energy Sources courses, both of which provide knowledge that is in high demand in the modern world. If you are looking for a longer course, we recommend the Diploma in Environmental Science and the Diploma in Sustainable Business courses,, which will give your résumé a competitive boost.
Some of the best free online science courses on Alison are certificate courses that don’t take more than 5 hours of your time. Check out the Practising Sustainable Development course and learn how to take better care of our natural resources. You will also learn a lot about naturally replenished energy with the Renewable Energy Sources and Solar Energy - Solar Technology and Its Use Worldwide courses. Or, if you want to learn about the impact of water resources on our health, check out the Managing Water Resources for Human Health course. Start your next learning journey, today.
The online science diplomas at Alison are designed to be as clear and comprehensive as possible. In under 15 hours, our Diploma in Sustainable Development and Diploma in Sustainable Business can teach you key scientific aspects of the crucial field of sustainability. We also highly recommend the Diploma in Environmental Science course which will help you understand the main problems currently facing our planet, and the Diploma in Ecology Studies course to help you more clearly understand the interactions between organisms and their environment.