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What are greenhouse gases?
Reducing greenhouse gas emissions will play an important role in the fight to slow down climate change.
Ruairi Brogan, who works for a wildlife charity, explains where greenhouse gases come from and how they can be absorbed by habitats like forests and peatlands.
Watch this video to find out more
Definition
Greenhouse gases refers to a number of chemicals in the Earthâs atmosphere: carbon dioxide (COâ), methane (CHâ), nitrous oxide (NâO), and industrial ones like fluorinated or F-gases.
Summary
- Greenhouse gases can be released from different sources. For example, carbon dioxide is produced by the burning of fossil fuels, while nitrous oxide is released from cow manure and fertilisers. Methane is expelled from farm animals and fluorinated gases are used for refrigeration and air conditioning.
- If too many greenhouse gases are released into the atmosphere and the concentration builds, we see changes in the Earthâs average temperature, known as climate change.
- We can help with the fight against global warming by protecting the Earthâs natural resources which are able to absorb greenhouse gases, like forests, peatlands, soils and waterways.
Teacher notes
A set of teacher notes are available. They include geography and science curricula links, and suggest how the clips might be used in a classroom.
Download or view the briefing notes online.
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The teacher notes are designed to be used electronically but if printing is needed these greyscale versions will use less ink: and .
This page was published in July 2022.
There's more to learn
Green Themes Explained
GREEN CLASSROOM
Green Scenes - classroom activity
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Guides for 11-14s
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