There is no guess, it's a chain reaction, everything is connected a change in one variable, will change the other, scientists have documented this meticulously and it's been proven. There is nothing "dodgy" about proof.Gerard Schultz wrote: ↑Mon Mar 11, 2019 4:43 amhttps://en.wikipedia.org/wiki/Global_temperature_record
Over the last 2000 years, the temperature has varied from the average about 2000 years ago, by going down to a low point in the 1600s of 1C colder and, at present, 1C hotter. Yet, we have just had a very cold winter in North America with temperatures well below average.
Global warming or climate change has two definite camps: Those that do not believe in it and those that do. No amount of name calling will bring these two together. However, I remember having to change all my things that cause coldness to a different gas because of the hole in the ozone layer. Companies that made aerosols and BCF fire extinguishers had to change the way they did business and who paid? The consumer. That has been proven a hoax now, but the change in the gas has been paid.
The bottom line is that all these guesstimates (both for and against) are made by people who cannot tell if it will rain three days from now.
Until there is more consensus between these two groups, I will regard both as money making schemes that is out to make a buck - nothing more and nothing less.
The weather broadcasts is not what is being used to predict climate change, scientists know that, as some weather stations is incorrectly placed, that is why they measure it differently:
It is a combination of factors being used:
The surface temperature trends are confirmed from multiple, independent sources:
Surface temperature analysis by NASA GISS finds strong agreement with two independent analyses by CRU's Global Temperature Record and NCDC.
Weather balloon measurements have found from 1975 through 2005, the global mean, near-surface air temperature warmed by approximately 0.23°C/decade.
Satellite measurements of lower atmosphere temperatures show temperature rises between 0.16°C and 0.24°C/decade since 1982.
Ice core reconstructions found the 20th century to be the warmest of the past five centuries, confirming the results of earlier proxy reconstructions.
Sea surface temperatures, borehole reconstructions and ocean temperatures all show long-term warming trends.
And in turn the chain reaction produces the end result.