Ellie Highwood, Professor of Climate Physics at the University of Reading David A. Hodell, (1958-), British paleoclimatologist, professor at Cambridge University Ove Hoegh-Guldberg, Australian oceanographer at University of Queensland Greg Holland Australian meteorology researcher at NCAR Brian Hoskins, British climatologist and professor at University of Reading John T. Houghton (1931-), British, atmospheric physics, remote sensing. Malcolm K. Hughes, British meso-climatologist, professor at University of Arizona Mike Hulme (1960-), British, climate impacts, climate modelling, climate and culture. Thomas Sterry Hunt (1826-1892), American, first scientist to connect carbon dioxide to climate change