HTML, CSS, and JavaScript courses can help you learn web page structure, styling, and interactivity, along with responsive design and accessibility practices. You can build skills in creating layouts, implementing animations, and optimizing user experiences across different devices. Many courses introduce tools like code editors, version control systems, and browser developer tools, that support testing and refining your projects. By mastering these skills and tools, you’ll be well-equipped to develop engaging websites and applications.

Duke University
Skills you'll gain: Climate Change Adaptation, Climate Change Programs, Health Disparities, Health Equity, Design Thinking, Professional Development, Environmental Issue, Ethical Standards And Conduct, Advocacy, Community Organizing, Leadership, Sustainable Systems, Leadership Development, Social Determinants Of Health, Personal Development, Climate Change Mitigation, International Relations, Environmental Policy, Environment, Environmental Science
Beginner · Specialization · 1 - 3 Months

University of Pennsylvania
Skills you'll gain: Advertising, English Language, Media and Communications, Vocabulary, Language Learning, Literacy, Electronic Media, Cultural Diversity, Social Impact, Grammar, Facebook
Mixed · Course · 1 - 3 Months
University of Alberta
Skills you'll gain: Project Planning, Sprint Planning, Risk Management Framework, Agile Software Development, User Story, Agile Methodology, User Requirements Documents, Functional Requirement, Agile Project Management, Requirements Analysis, Software Development
Mixed · Course · 1 - 4 Weeks

Dartmouth College
Skills you'll gain: Storytelling, Oral Expression, Writing, Liberal Arts, Editing, Ethical Standards And Conduct, Research, Diversity Awareness, Social Studies, Social Justice, World History, Cultural Diversity, Culture, Creativity, Political Sciences, Advocacy, Public History
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: iOS Development, Apple iOS, Apple Xcode, User Interface (UI), Mobile Development, Swift Programming, Unit Testing, User Interface (UI) Design, UI Components, Mobile Development Tools, Objective-C (Programming Language), Application Development, Data Structures, Programming Principles, Development Testing, Object Oriented Programming (OOP), Integrated Development Environments, Development Environment, Prototyping, Storyboarding
Beginner · Specialization · 3 - 6 Months

University of Florida
Skills you'll gain: Land Management, Water Resource Management, Natural Resource Management, Environment and Resource Management, Sustainability Standards, Sustainable Systems, Climate Change Adaptation, General Science and Research, Environmental Science, Socioeconomics, Research, Biology
Intermediate · Course · 1 - 4 Weeks

École Polytechnique
Skills you'll gain: Experimentation, Physics, Engineering, Scientific, and Technical Instruments, Science and Research, Laboratory Equipment, General Science and Research, Physical Science
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Trigonometry, Systems Of Measurement, Geometry, Mathematical Modeling, Graphing, Algebra, Applied Mathematics
Beginner · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Non-Verbal Communication, Mentorship, Emotional Intelligence, Personal Development, Self-Awareness, Interpersonal Communications, Social Skills, Coaching, Empathy, Leadership Development, Resilience, Team Building, Leadership
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: File I/O, C and C++, Data Import/Export, C++ (Programming Language), Object Oriented Programming (OOP), Data Validation, Object Oriented Design, Programming Principles, Computer Programming, Data Structures, File Management, Integrated Development Environments, Data Store, Software Documentation, Computer Science, Functional Design, Pseudocode, Maintainability
Beginner · Specialization · 3 - 6 Months

University of California, Irvine
Skills you'll gain: Time Management, Literacy, Grammar, Concision, Analytical Skills, Planning, English Language, Vocabulary
Beginner · Course · 1 - 4 Weeks

Amazon Web Services
Skills you'll gain: Descriptive Analytics, Analytics, Dashboard, Data Analysis, Exploratory Data Analysis, Amazon Web Services, Data-Driven Decision-Making, Data Visualization, Cloud Security, Amazon S3, Cloud Computing
Beginner · Course · 1 - 4 Weeks