Climate

How much has CO2 emissions increased?

https://climate.nasa.gov/system/video_items/106_69_82_carbon-updated-abstract_4.mp4 The visual here is from the NASA feature How Much Carbon Dioxide Are We Emitting? by Matthew Conlen (7/15/2021) may help us all understand the change in CO2 emissions. In 1900, almost 2 billion metric tons of CO2 were released due to fossil fuel usage. By 1960, that number had …

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How hot was June 2021?

From NOAA’s Global Climate Report – June 2021: The June 2021 global surface temperature was the fifth highest for June in the 142-year record at 0.88°C (1.58°F) above the 20th century average. Only Junes of 2015 (fourth warmest), 2016 (second warmest), 2019 (warmest), and 2020 (third warmest) were warmer and …

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How hot was the Pacific Northwest?

Berkeley Earth summarizes the recent heatwave in the Pacific Northwest in the article The Pacific Northwest Heatwave in Context  (7/6/2021). The graph by Dr. Robert Rohde copied here is striking and really says all that needs to be said. This is a graph that everyone should have to study and …

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What are stripes again?

About a year ago I posted this about stripes: The image here from ShowYourStripes has a vertical strip representing global average temperature anomalies from 1850 to 2019 where darker blue is cooler and darker red is warmer. This graphic style, warming stripes, is credited to Ed Hawkins. The ShowYourStripes page has similar …

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How hot was May 2021?

From NOAA’s Global Climate Report – May 2021: The May 2021 global surface temperature was 0.81°C (1.46°F) above the 20th century average of 14.8°C (58.6°F). This value tied with 2018 as the sixth warmest May in the 142-year record. May 2021 was also the 45th consecutive May and the 437th …

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How has the land temperature distribution changed?

NASA’s Scientific Visualization Studio’s post Shifting Distribution of Land Temperature Anomalies, 1951-2020 by mark SubbaRao (4/23/2021) provides the animation here. This visualization shows how the distribution of land temperature anomalies has varied over time. As the planet has warmed, we see the peak of the distribution shifting to the right. …

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How did the pandemic impact CO2 and CH4?

The NOAA Research News article Despite pandemic shutdowns, carbon dioxide and methane surged in 2020 (4/7/2021) notes The economic recession was estimated to have reduced carbon emissions by about 7 percent during 2020. Without the economic slowdown, the 2020 increase would have been the highest on record, according to Pieter Tans, senior …

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How hot was April 2021?

From NOAA’s Global Climate Report – April 2021: The April 2021 global surface temperature was 0.79°C (1.42°F) above the 20th century average of 13.7°C (56.7°F). This was the smallest value for April since 2013 and was the ninth warmest April in the 142-year record. April 2021 marked the 45th consecutive April and …

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What’s new at the EPA?

After about a 4 year hiatus, the EPA’s page Climate Change Indicators in the United Stats has been updated with “Twelve new indicators and several years of data have been added to EPA’s indicator suite.” One new indicator is Permafrost: The Deadhorse site in northern Alaska had the highest rate …

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