Readers Blog: Volcanoes’ effects on changes in our climate

From studies of history and geology, it is clear that what we now call Ireland experienced cycles of climate change. We have rocks that formed under tropical seas and others formed in hot deserts. We are not a million years away from what we call the Ice Age. Most of our present-day soils were formed from rock debris laid down during and after that period. Over the last 2,000 years, there have been warm periods and mini ice ages.

An example of the latter occurred in Shakespeare’s time, when he wrote “When icicles hang by the wall”.