Comments by "Old Scientist" (@OldScientist) on "Forbes Breaking News" channel.

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  2. @Jay Kanta  Very well then, if I must...it was warmer during the Medieval (Elbert, 2013, 2.9°C above present), Roman (Margaritelli, 2020, 2°C above present), and Minoan Warm Periods (Lécuyer, 2018, 4°C above present). It was certainly warmer during the Holocene Climatic Optimum, so during our current interglacial. If you want a citation, try Quaternary Research Volume 53, Issue 3, May 2000, Pages 302-311. This makes the point that it was upto 7°C warmer on the shores of the Arctic during that time, with trees growing on the shores of the ocean (which would have been ice free in the summer), far to the north of the current treeline. The northern coast of Greenland was, during parts of the Pleistocene, warmer by double figures than today. The summer and winter average minimum temperatures of 10 degrees Celsius and 17 degrees C, respectively, were more than 10 degrees C warmer than present day. I think it was a maximum of 19 °C warmer than today. Remarkable. That one's been all over the news but if you want a citation I think it was in the 7th December 2022 issue of Nature. The original research was done by some Danish chappy. If you want some really rapid warming look at the CET (Central England Temperature) Instrumental Record between 1690 and 1730 (3°C increase). That might not be reliable enough for you though. Why not try the Dansgaard–Oeschger events? The Dansgaard–Oeschger events were global (Dima et al, 2018).About 11,500 years ago, averaged annual temperatures on the Greenland ice sheet increased by around 8 °C over 40 years, in three steps of five years, but a 5 °C change over 30–40 years is more common for these events. Some researchers believe the Medieval Warm Period was one of these, but I'm not convinced. However, I can provide upwards of 100 citations of science papers that together show the Medieval Warm Period was qualitatively and quantitatively warmer than the current warming, and that it was global in nature, focused around the year 1000.
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  16. She should go back to serving drinks. There is no climate crisis. 10% decline in natural disasters since 2000. Accumulated cyclone energy shows no increasing trend. Global hurricane landfalls shows no trend. Downward global trend for total hurricaine numbers. NOAA: "We conclude that the historical Atlantic hurricane data at this stage do not provide compelling evidence for a substantial greenhouse warming-induced century-scale increase in: frequency of tropical storms, hurricanes, or major hurricanes, or in the proportion of hurricanes that become major hurricanes." NOAA data 1851-2021 shows no trend in number of hurricaine landfalls with the record high being 1886. The trend for over 7 decades has been downwards in the Pacific as well. Drought appears to be decreasing globally measured by SPI 1901-2017. Global trends show no increasing flooding frequency or severity. For every million people on earth, annual deaths from climate-related causes have declined 98%. Deserts have shrunk considerably since the 1980's. The Sahara shrank by 12,000km² per year 1984-2015. The Earth has greened by 15% or more in a human lifetime. The Great Barrier Reef's coral cover has reached the greatest extent ever recorded. On extinction the rate is very low: 900 known lost species for 2.1 million known species in 500 years, so from observations there are an average of slightly less than 2 species lost every year. Global temperatures maxed out in 2016 and have been lower ever since. There is no climate crisis.
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