Eco-Schools
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Whenever we burn something, we create gases and tiny particles that pollute our air. This includes burning fuel in our vehicles, burning fuel in our homes, powering factories and industry, and forest fires. 

Not only do these gases significantly contribute to climate change, but they also pose a serious threat to our health. 

For this challenge you could consider: 

  • Investigating pollution from cars around your school, especially at drop-off and pick-up times. 
  • Looking into how renewable energy is made and what type of energy supplies your school and home. 
  • 2024 was the first year that renewable sources produced more energy than fossil fuels. Which countries are leading the way with this change. 
  • Options to choose clean, green transport, including active travelling 
  • Sourcing locally produced food and products to cut down on transport gases 
  • What the role of plants is in cleaning our air, both outside and inside.  

Essential information for this challenge

You need to cover the following points in your video. 

  • Introduce your school and your Earthshot and why you chose the Build a Waste-Free World challenge. 
  • Share your school-based solution – what have you done or plan to do and why?  
  • How has it made a difference or how will you know if it has made a difference?  
  • Share your global innovative solution, the research behind it and what impact you would hope it can make. 
  • Any other information that you want to include that is relevant for the judges.  

Remember to be creative with your video and try to ‘sell’ your idea! 

Videos should be shot in landscape and be no longer than three minutes. 

Entries are welcome in English and Welsh, and we can accept up to five entries per school. The deadline is 18.00 on Friday 10 April.   

Watch this year’s winner and finalists and be inspired

Winner: Ynysddu Primary School

Finalist: Whitchurch Primary School

Finalist: Ysgol Gymraeg Ffwrnes

Need help with your Climate Challenge Cymru entry?

Contact your local Eco-Schools Wales officer

Explore other Earthshots

Build a Waste-Free World

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Fix Our Climate

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Protect and Restore Nature

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Revive Our Oceans

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