Introduction to Indoor Air Pollution – Switch On Shorts – Video

Summary

Introduction to Indoor Air Pollution

This video introduces students to one of the world’s largest but least visible environmental health challenges: indoor air pollution caused by burning biomass for cooking and heating.

Nearly 3 billion people worldwide still rely on fuels like wood, charcoal, animal dung, and crop waste to cook food and heat homes. When these fuels are burned indoors, especially in homes without proper ventilation or chimneys, they produce dangerous particulate pollution that people breathe directly inside the home.

The video explains how smoke from traditional biomass cooking can lead to serious health effects including lung disease, heart disease, cancer, high blood pressure, and cataracts. Women and children are often most affected because they spend the most time near cooking fires.

Students also learn about the connection between energy poverty and health, and how access to modern energy technologies can reduce risk. The video explores three cleaner cooking solutions that are helping reduce indoor air pollution:

• Liquefied petroleum gas (LPG) stoves

• Biogas systems that convert organic waste into methane fuel

• Electric cooktops powered by expanding electric grids

These technologies help reduce smoke exposure while improving safety, affordability, and quality of life in many communities. The lesson encourages students to think critically about how energy access, infrastructure, and technology influence environmental health outcomes around the world.

This resource works well in units on energy systems, environmental health, air pollution, global development, or human impacts on the environment, and can be paired with discussion questions or follow-up activities exploring energy access and public health.

Find the full Introduction to Indoor Air Pollution lesson here.