[1] He was an expert and leader in the reconstruction of Quaternary paleoenvironmental conditions from fossil beetles.
[2][3] Coope was an Honorary Professor of Quaternary Science and staff member at the University of Birmingham from 1955 to 1993.
After retiring he continued working in his home laboratory and at Royal Holloway, University of London.
[4][5] Many of the beetles he found were from sites around Upton Warren in Worcestershire, and he used these to show that past climate change had been rapid, data that were later confirmed by Greenland ice cores.
[4] Quaternary International in 2014 published an issued composed mostly of papers given in his honour in June 2012 at Royal Holloway.