Climate change will make up two-thirds of the projects at the BT Young Scientist and Technology Exhibition.
A study on gender bias has been crowned the overall winner at this year's BT Young Scientist and Technology Exhibition.
The project was put together by Cormac Harris and Alan O'Sullivan from Colaiste Choilm in Cork.
They beat entries from 244 schools to claim the overall prize in the RDS in Dublin last night.
Wicklow students Dylan and Sean from Colaiste Chraobh Abhann County Wicklow developed a mechanism that helps in the loading of horses, that are scared or bold when it comes in contact with a horse box/truck.