Edited sentence: , Water Resources Research, Holocene, Atmospheric & Solar-Terrestrial Physics; GSA Today; Earth and Planetary Science Letters; Water Resources Research; Climate Research;  NSF, NOAA, DOE grant programs.An author of a paper raising comments about his work noted that it became easy to publish "once we did not have Michael Mann as a referee".He has been a referee for Nature, Science, Climatic Change, Geophysical Research Letters, Journal of Climate,  JGR-Oceans, JGR-Atmospheres, Paleoceanography, Climate Dynamics, Eos, Int