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Atmospheric carbon dioxide (CO 2) concentrations from 1958 to 2023. The Keeling Curve is a graph of the annual variation and overall accumulation of carbon dioxide in the Earth's atmosphere based on continuous measurements taken at the Mauna Loa Observatory on the island of Hawaii from 1958 to the present day.
Date/Time Thumbnail Dimensions User Comment; current: 11:09, 30 December 2011: 742 × 700 (26 KB): Pieter Kuiper: Reverted to version as of 22:48, 16 January 2011 revert to version in English
Carbon dioxide is believed to have played an important effect in regulating Earth's temperature throughout its 4.54 billion year history. Early in the Earth's life, scientists have found evidence of liquid water indicating a warm world even though the Sun's output is believed to have only been 70% of what it is today.
English: Phase diagram of CO2 (carbon dioxide). X axis is temperature in kelvin; Y axis is pressure in bar. X axis is temperature in kelvin; Y axis is pressure in bar. Esperanto: Premo-temperatura fazodiagramo de karbona duoksido
English: Global average temperature, atmospheric CO 2, and sunspot activity since 1850. ... Graph: Global temperature, atmospheric CO2, and sunspot activity since 1850.
If the temperature and pressure are both increased from STP to be at or above the critical point for carbon dioxide, it can adopt properties midway between a gas and a liquid. More specifically, it behaves as a supercritical fluid above its critical temperature (304.128 K, 30.9780 °C, 87.7604 °F) [1] and critical pressure (7.3773 MPa, 72.808 ...
Without immediate curbs, temperatures are set to follow the red track, and increase between 3.2 and 5.4 degrees Celsius by 2100. The green line shows how we can minimize warming if emissions immediately drop -- a highly unlikely scenario. Global fossil fuel and cement emissions, in gigatons of carbon dioxide
The relationship between current global temperatures and the internationally discussed target limits is also clear without much complex interpretation needed." — Ed Hawkins , 9 May 2016 [ 16 ] Climate spirals use changing distance from a center point to represent change of a dependent variable (archetypically, global average temperature). [ 1 ]