It’s unfortunate that Pope Francis now also joined the church of climatology [1]. However, many of his followers in the Catholic realm will doubt that this is a command by St. Peter.
A few weeks ago I returned home from attending the 2014 United Nations Climate Change Conference, COP-20, at Lima, Peru. This mega-event gave me the impression of a clerical synod by a world-encompassing religious community. There were many nice people from all corners of the world whom I had cordial conversations with. They all meant the best for planet Earth.
However, the main problem of this event was that 99.9{154653b9ea5f83bbbf00f55de12e21cba2da5b4b158a426ee0e27ae0c1b44117} of the attendees viewed the most important nutrient for all life on earth (carbon dioxide, CO2) as a hazardous substance. That view was shared even by the attending farmers who should profit from better harvests [2] due to improved CO2 fertilization.
I asked approximately 50 people from 25 countries several questions and talked to many more. Only 5 people (10{154653b9ea5f83bbbf00f55de12e21cba2da5b4b158a426ee0e27ae0c1b44117} of those I asked) knew even the order of magnitude of CO2 in the atmosphere (0.04{154653b9ea5f83bbbf00f55de12e21cba2da5b4b158a426ee0e27ae0c1b44117}). The others answered “I really should know that but cannot answer the question.” None knew that the mean global temperature has remained constant over the last 10 years and has not been increasing for 18 years (in contrast to predictions from models by the UN Intergovernmental Panel on Climate Change, IPCC). Among those I asked, some claimed that the temperature had risen anywhere between 0.1 and 10.0 (!!) degrees – that’s not a lie. None knew that the global sea-ice extent recently reached the same values as have been observed at the beginning of the 1980s (the extent has increased in the Antarctic and slightly decreased in the Arctic).