WebMay 12, 2013 · Climate Milestone: Earth’s CO2 Level Passes 400 ppm. ... 400 parts per million (ppm) for the first time in 55 years of measurement—and probably more than 3 million years of Earth history. ... WebThe partial pressure of carbon dioxide rises to 400–500 ppm during the climatic optimum of the Middle Miocene followed by an approximately 100 ppm decline during MMCT , which …
Climate Change: Atmospheric Carbon Dioxide
WebHistory of atmospheric carbon dioxide from 800,000 years ago until the end of the most recent GLOBALVIEW+ CO2 collection. Carbon dioxide pumphandle - 2024. Watch on. Download full-resolution version of this animation (warning: large file, ~50 MB) WebSep 1, 2024 · CO2 was also about that level during the Paleozoic Ice Age, 340-290 million years ago (Foster et al. 2024). Early attempts to estimate CO 2 for that long ago in Earth’s past were broad-brush and very … portofino resources stock
CO₂ and Greenhouse Gas Emissions - Our World in Data
WebApr 5, 2024 · The carbon dioxide data on Mauna Loa constitute the longest record of direct measurements of CO 2 in the atmosphere. They were started by C. David Keeling of the Scripps Institution of Oceanography in March of 1958 at a facility of the National Oceanic and Atmospheric Administration [Keeling, 1976]. WebHistorical CO2 Datasets Daily CO2 Apr. 2, 2024 = 422.54 ppm Apr. 2, 2024 = 420.86 ppm March CO2 March 2024 = 421.00 ppm March 2024 = 418.81 ppm February Temperature +1.26°C relative to 1880-1920 Historical CO2 Datasets This page of data links was started to help you find the source dataset you are looking for. CO2 Data Years 0 to 2014 WebMay 9, 2024 · For the first time on record, monthly average carbon dioxide (CO2) levels exceeded 420 parts per million (ppm) in April, their highest peak since accurate … optituning trondheim