![Green leaf inside](/sites/default/files/styles/resource_card_image_360x300_/public/2022-04/lightbulbgr.jpg?itok=uTQlOExV)
Green Energy
Backgrounders
An overview of environmentally-friendly ways to generate electricity and power
![City at night with transmission lines](/sites/default/files/styles/resource_card_image_360x300_/public/2019-09/City_at_night_with_transmission_lines.jpg?itok=UiKbdb4e)
Understanding Electricity Supply and Demand
Backgrounders
Electricity demand changes constantly. Suppliers need to generate more electrical energy when demand is high, and less when demand is low.
![Energy-saving light bulbs are a great way to save money at home](/sites/default/files/styles/resource_card_image_360x300_/public/2019-09/one-hanging-energy-saving-light-bulb.jpg?itok=IocGQakA)
Energy Efficiency at Home
STEM Explained
If you understand heat transfer, you can make lots of little changes at home to help the environment and your household’s bank account!