Born in
Dyserth, John Theodore Houghton was the second of the three sons of Sidney and Miriam (née Yarwood) Houghton. His older brother, David (died 2015), became a meteorologist. The third and youngest brother, Paul Houghton, became a lecturer in engineering and was treasurer and company chairman of the John Ray Initiative, connecting the environment, science and Christianity. The family moved to
Rhyl when John was two, and he attended
Rhyl Grammar School where he discovered his interest in science. He continued his education at
Jesus College, Oxford, gaining a BA in 1951, MA (Oxon) and DPhil in 1955. He was brought up as an evangelical Christian by devout Christian parents and believed in science and Christianity as strengthening each other, as well as
Christianity and environmentalism. He was also an elder at
Aberdovey Presbyterian Church. In 1962, Houghton married Dr Margaret Broughton, daughter of a mill owner in Colwyn, Lancashire, and they had two children and seven grandchildren. Following her death from cancer in 1986, he set up the Margaret Houghton Memorial Fund, a research unit on medical nursing in her memory. He married his second wife, Sheila Thompson, in 1988. • Chairman,
Royal Commission on Environmental Pollution (1992–98) Houghton was an Honorary Scientist of the
Hadley Centre for Climate Prediction and Research at the
Met Office (since 2002); Honorary Scientist at the
Rutherford Appleton Laboratory (since 1991); a Trustee of the
Shell Foundation (since 2000); Chairman of the John Ray Initiative (since 1997) and in 2013 was announced as an advisory board member for
Sure Chill Technology. He moved back to Wales and lived in
Aberdyfi. In 2007 he criticised the controversial documentary
The Great Global Warming Swindle for its inaccuracies. He died of complications from
Alzheimer's disease and
COVID-19 in hospital at
Dolgellau on 15 April 2020, aged 88. ==Awards and honours==