Climate Action Roadshow Quiz Where is the source of the River Calder? How long is the River Calder? What is the highest recorded flood level on the River Calder at Copley Bridge? 2.31m 4.07m 5.34m 7.84m Name three methods of Natural Flood Management Approximately how many leaky dams have been built by Slow The Flow volunteers in the upper Calder valley catchment (to the nearest 100)? Which flood hit town has had a major flood alleviation scheme completed since 2015? Brighouse Mytholmroyd Todmorden Sowerby Bridge What does SuDS stand for? Name one SuDS intervention that could be put into a garden or back yard What global temperature rise have scientists warned must not be exceeded since 2015? Name Email Contact Number Send Click here to take part in our quiz