India, Feb. 25 -- The Thames, the iconic English river that flows through London, will witness a potential increase in algal blooms in the coming years courtesy climate change, a new study has warned.

This will happen even though the river's water has seen a dramatic reduction in phosphorus loads in the last 40 years, as per the analysis. Phosphorus is needed for algal blooms to form.

Phosphorus loads have reduced by 80 per cent in the past four decades according to the study by lead author Helen Jarvie, professor in the Faculty of Environment and University Research Chair in Global Water Quality at the University of Waterloo, Canada.

The reduction is largely due to improved wastewater treatment and agricultural practices, a statement ...