Even if they remain forests, the type of forest will be very different in the western part of the country, scientists say.
Since forests are such a critical part of life on Earth, keeping them safe is vital.
By pumping water from the land into the air, tropical forests also function like a heart.
As spring temperatures warm even further, wildflowers will likely have even shorter periods of full sunlight.
Tropical forests rely on moisture to survive and remaining areas of forest will be impacted by a drier climate.
Across Europe, nations average around 35% forest cover but in Ireland the figure is just 11%, one of the lowest.