Start with The Economy 2.0 because it introduces economics through real data, inequality and environmental themes. Pair that with Principles of Microeconomics if you want a more formal undergraduate route into demand, firms, welfare, public goods and externalities.
For the planning and environment side, Smart Cities for Sustainable Development connects urban development, data, technology, inclusion and sustainability. Sustainable Urban Land Use Planning is directly relevant to land use, infrastructure, equity, peri-urban growth and climate-sensitive planning.
No subject-specific videos were verified for this guide, so the video embed list is intentionally empty. It helps to keep a one-page log for each resource: record the question, evidence, legal or policy constraint, economic trade-off and what you still cannot answer.