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.

University of Illinois Urbana-Champaign
Skills you'll gain: Stakeholder Engagement, Environmental Monitoring, Hydrology, Community Outreach, Water Resource Management, Environmental Engineering and Restoration, Water Resources, Cultural Diversity, Land Management, Policy Analysis, Social Sciences, Cultural Sensitivity, Environment and Resource Management, Environmental Laws, Environmental Resource Management, Environmental Engineering, Natural Resource Management, Case Studies, Water Quality, Climate Change Adaptation
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Power Electronics, Thermal Management, Electrical Safety, Electrical Power, Building Codes, Electronic Systems, Electrical Systems, Electronic Components, Energy and Utilities, HVAC, Basic Electrical Systems, Electric Power Systems, Maintenance, Repair, and Facility Services, Safety Standards, Sustainable Technologies, Environmental Issue, Environment and Resource Management, Environmental Regulations, Environmental Engineering and Restoration, Geospatial Information and Technology
Intermediate · Specialization · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Power Electronics, Control Systems, Electric Power Systems, Electronics Engineering, Electrical Engineering, Electronics, Simulations, Mathematical Modeling
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Case Management
Beginner · Specialization · 3 - 6 Months

University of Colorado System
Skills you'll gain: Penetration Testing, Application Security, Secure Coding, Exploitation techniques, Software Design Patterns, Vulnerability Assessments, Amazon Web Services, SQL, Operating Systems, C (Programming Language)
Intermediate · Course · 1 - 4 Weeks
Khalifa University
Skills you'll gain: Environmental Management Systems, Environment Health And Safety, Environmental Monitoring, Environmental Regulations, Hazardous Waste Operations And Emergency Response Standard (HAZWOPER), Environmental Engineering, Environmental Science, Emergency Response, Regulatory Compliance, Hazard Analysis, Sustainability Standards, Risk Management, Waste Minimization
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Data Analysis, Applied Mathematics, Mathematical Modeling, Graphing, Trigonometry, R (Software), Analytical Skills, General Mathematics, Statistics, Algebra, Systems Of Measurement, Correlation Analysis, Regression Analysis, Calculus, Geometry
Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Social Studies, World History, Culture, Economics, International Relations, Socioeconomics, Political Sciences
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Infographics, Storyboarding, Canva (Software), Prompt Engineering, Copywriting, Generative AI, Content Creation, Marketing Strategies, Blogs, Collaborative Software, AI Enablement, ChatGPT, MarTech, Graphic Design, Multimedia, Graphic and Visual Design, Brand Awareness, Artificial Intelligence, Search Engine Optimization, Machine Learning
Intermediate · Specialization · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Data Manipulation, Data Cleansing, Data Integration, Data Preprocessing, Data Import/Export, Data Collection, Data Management, Web Scraping, Data Access, R Programming, MySQL, Application Programming Interface (API)
Mixed · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Intrusion Detection and Prevention, Threat Detection, Incident Response, Computer Security Incident Management, Cybersecurity, Threat Management, Data Security, Cyber Attacks, Endpoint Security, Network Security, Cyber Security Assessment, Firewall
Beginner · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Goal Setting, Team Motivation, Visionary, Smart Goals, Team Performance Management, Verbal Communication Skills, Employee Engagement, Constructive Feedback, Employee Performance Management, Communication, Drive Engagement, Leadership, Cultural Diversity, Leadership Development, People Development, Influencing, Non-Verbal Communication, Compensation Strategy, Industrial and Organizational Psychology
Beginner · Course · 1 - 3 Months