Antonio Xuea, S.V. Panchakathri, Ritwik Singh)

Lisbon, Portugal (Maurice R. van der Meersbergen)

Lincoln, USA (Kathy Van der Brien, Erika Hirsch, David McNeil, Jules A. Zawadzki, Susan Yaw, Mark J. Wainwright)

Louisville, USA (Marquina Carstens)

Louisville, USA (Tomasz Bierowicz)

Loudon-sur-Mer-en-Ardenne, France (Christine A. M. Lassalle)

London, UK (Paul R. Murphy)

London, UK (Kathy D. O’Brien)

Luxembourg, Luxembourg (A.P. Wojtek)

Macao, China (Yi Chen)

Macedonia, Macedonia (Lars J. Zalasiewicz)

Malesk, Latvia (Elisavett Mihalache)

Mali (Félix M. Lescot)

Malta, Malta (David H. Beaudry)

Malta, Malta (Ileana E. V. Barros)

Macron, France (Alexandre J. Ciais)

Macedonia (J.V. Nijhuis)

Malawi (Nimrila Kalinze)

Malaysia (Yong Joon Park)

Mali (Ankul S. Alipawoni)

Mali, Mali (F. Oussama al-Teki)

Mali, Malta (Mihirah Mokhtar)

Madagascar, Madagascar (G.S. Oruwala)

Maine, USA (Nora Kiley, Jennifer Stahlman)

Maine, USA (Ji Hye Park)

Mexico (Miguel A. Ponce de Leon)

Mongolia, Mongolia (I.T. Zhuanthang)

Montenegro (Darius Mitrovic)

Montserrat, Saint Eustatius and Saba (Filippo Marini)

Montserrat, Saint Eustatius