Australian news, and some related international items

More new data indicates another record hot year for 2020

Global warming pushes April temperatures into record territory, as 2020 heads for disquieting milestone, WP, By Andrew Freedman, May 5   Last month tied for the warmest April on record for the globe, as 2020 hurtles toward the warmest year milestone.New data, released Tuesday from the European Union’s Copernicus Climate Change Service, lends further support to the prediction that 2020 will rank among the top two warmest years recorded.

In April, the National Oceanic and Atmospheric Administration, using its own temperature monitoring data, reported that there is a 75 percent chance that 2020 will become the planet’s warmest year since instrument records began in 1880, and very likely long before that.

Human-caused climate change from increasing amounts of planet-warming greenhouse gases is vaulting temperatures higher, making it easier for a given month or year to set a new warmth milestone. Carbon dioxide is the most important long-lived greenhouse gas in the atmosphere, released by the burning of fossil fuels such as coal and oil for energy and transportation.

Daily carbon dioxide levels measured at the summit of Mauna Loa in Hawaii have reached 418 parts per million this month, the highest level in at least 3 million years. It’s expected that the monthly average value for 2020 will be set this month, and will be near 417 ppm, compared with last year’s measurement of 414.7 ppm.

The new Copernicus data shows a huge area of crimson red for the month of April, denoting much-above-average temperatures, across northern Asia, especially Siberia.

Temperatures were also well above average for the month across northern and coastal central Greenland, parts of Antarctica, areas of Alaska and the Arctic Ocean…….

May 7, 2020 - Posted by | General News

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