Dr Kelvin Kemm is the CEO of Nuclear Africa, a nuclear project management company in Pretoria, South Africa. He is a member of the International Board of Advisors of CFACT, Committee For A Constructive Tomorrow. He serves on the Board of Advisors for the website: allaboutenergy.net. This article is his April 2020 update to explain to the public Earth's climate, natural climate change and man-made climate change to the extent that it is or is not a major factor caused by use of fossil fuels. Dr. Kemm is an excellent observer of science, people, government leaders and the public in general. This article brings all these aspects together in a interesting narrative for students, parents, professionals and retirees. You will feel more at ease with this topic that the media and some elected officials use to stir up completely unjustified fear of carbon dioxide and fossil fuels.