Emma is in third class and loves science. Her mum is Ukranian and her dad is Irish. Here she teaches us some useful phrases and tells us about the music and books she enjoys.

Marion McKeone, U.S. Correspondent, The Business Post, Mark Kirwan, Tipperary Native, Washington DC Police Officer, Bashir Otukoya, Assistant Professor, School of Law and Government, DCU

Phil Scraton, Professor Emeritus in the School of Law, Queen's University Belfast and Author of 'Hillsborough: The Truth'

Gavin Cooney, Sports Writer with 42.ie, Mark Lawrenson, Former Liverpool and Republic of Ireland Defender

Eoin McGee, Financial Planner and Author of 'How To Be Good With Money'

Dr. Donal O'Connor, Senior Medical Officer with the Health Products Regulatory Authority

Elaine Byrne, Runs Livinglightlyireland.com, Emma Gleeson, Author of 'Stuff Happens, Karen O'Mahony, Sustainable Designer, Rag Order Dublin

Ruth Michaelson, Reporter with The Guardian

Dr. Harry Barry, GP and Mental Health Specialist, Dr. Anne Marie Creaven, Department of Psychology, University of Limerick

Today we celebrate Earth Day by digging into why it matters that everyone is considered, Globally, in our actions on Climate. We meet Joan and Clare of the Rise Up Movement in Uganda. Environmentalist Saoirse McHugh talks Climate Justice and Tomm Moore of Cartoon Saloon discusses their film for Greenpeace. Plus, Dr Shane and the Brain Trust.