What are the different units used to express atmospheric CO2 concentration (e.g., ppm, ppb)?

Oct 1, 2019 ... 43,500 Gt: total carbon above surface -- in the oceans, on land, and in the atmosphere (2/10ths of 1% of Earth's total carbon) · 37,000 Gt: ... May 18, 2023 ... ... atmosphere is cooling dramatically because of rising CO2 levels. ... The depth of the stratosphere has diminished by about 1 percent, or ... Jun 16, 2011 ... ... atmosphere while about 45 percent has stayed in the atmosphere. Eventually, the land and oceans will take up most of the extra carbon dioxide ... Jan 16, 2025 ... Percentages may not add up to 100% due to independent rounding. ... : Carbon dioxide enters the atmosphere through burning fossil fuels ... Net zero refers to a state in which the greenhouse gases going into the atmosphere are balanced by removal out of the atmosphere. ... carbon dioxide (CO2). Jan 4, 2024 ... In one video posted on X , opens new tab a commentator says: “Do you know how much CO2 is in the atmosphere? It's 0.04%. That's like one limb on ... Aug 13, 2024 ... CO2 measurement in air: everything you need to know. Range, accuracy and precision. Percentage versus parts per million. In fact, the emissions of CO2 (carbon dioxide) from soils to the atmosphere are around ten times those from fossil fuels, but under natural conditions this is ... Sep 17, 2023 ... A significant amount of carbon dioxide is exchanged between the atmosphere and oceans every year, but the fast carbon cycle's most important ... Trends in Atmospheric Carbon Dioxide (CO2). Mauna Loa, Hawaii · Global · CO2 Animation · CO2 Emissions · Recent trend · Full Record · Growth Rate · Data. Annual ...