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  1. ITV Report

Changes in the Sun's activity may have led to natural climate change

Welsh researchers have found changes in the Sun's activity over the last thousand years may have led to marked natural climate change.

Scientists at Cardiff University studied the seabed to determine how the temperature of the North Atlantic had altered, with the results showing that changes in the sun's activity can have a considerable impact on the dynamics of the ocean, with potential effects on regional climate.

They say the study will allow them to better predict regional climate change.

Professor Ian Hall, from the University says this could lead to colder winters.