Courses from 1000+ universities
$7.2 billion in combined revenue since 2020. $8 billion in lost market value. This merger marks the end of an era in online education.
600 Free Google Certifications
Machine Learning
Python
Microsoft Excel
Intelligenza Artificiale
Python for Data Science
Introduction to Philosophy
Organize and share your learning with Class Central Lists.
View our Lists Showcase
Explore Earth's energy balance, climate change, and the greenhouse effect with Cornell Professor Toby Ault in this engaging lecture at the Museum of the Earth.
Explore early Earth's atmosphere, Snowball Earth episodes, and their connection to modern climate change with Cornell Professor Toby Ault.
Explore the paradox of Earth's habitable climate through a comparative study of three planets, guided by Cornell University Professor Toby Ault.
Explore hands-on activities and student data analysis for the Watershed of Trees project, enhancing environmental science curriculum with real-world applications.
Discover how iNaturalist connects global citizen scientists to document biodiversity, providing valuable data for research while enhancing your engagement with nature through expert tips and collaborative identification.
Explore hothouse climates of dinosaur eras, carbon cycle disruptions, and their relevance to modern climate change with Cornell Professor Toby Ault.
Explore the Permian Extinction's lessons for our current era through Cornell Professor Toby Ault's insightful lecture at the Museum of the Earth.
Explore the geological roots of our energy system and the Industrial Revolution with Cornell Professor Toby Ault in this engaging museum lecture.
Discover why Earth is heating up through analysis of carbon isotopes in atmospheric CO2, revealing the main causes and evidence of rapid warming.
Explore the nuanced implications and applications of AI technology in science education, examining both its potential benefits and challenges for educators and students.
Discover how to effectively teach New York State's updated climate science standards with practical strategies and resources for educators.
Discover innovative teaching methods using props and social math to make climate change data comprehensible, transforming abstract numbers into tangible, visual experiences for K-12 learners.
Discover how to make climate change's massive scale tangible using props and social math techniques to transform abstract numbers into compelling, understandable visual demonstrations.
Explore Indigenous-led water protection efforts through multimedia storytelling and traditional Two Row Wampum principles with Dr. Jason Corwin from University at Buffalo.
Get personalized course recommendations, track subjects and courses with reminders, and more.