Citations and references across the CO2.Earth website.| www.co2.earth
Atmospheric CO2 February 2024 427.09 parts per million (ppm) Mauna Loa Observatory, Hawaii (NOAA) Preliminary data released March 5, 2025| Earth's CO2 Home Page
CO2 Data NOAA Trends in atmospheric CO2 Scripps UCSD Keeling Curve + Scripps CO2 Program CO2.earth (reposted data) Daily CO2 | Weekly CO2 | Monthly CO2 | Annual CO2 CO2.earth Track The Trend Show the Trend Show.earth Add a 'KC Monthly' CO2 widget to your site or blog ---| Earth's CO2 Home Page
December 2024 global temperature update relative to pre-industrial| www.co2.earth
CO2.Earth connects the general public with the latest data and information for stabilizing earth's atmosphere, climate and living environments.| www.co2.earth
Continual updates of daily CO2 levels recorded at the Mauna Loa Observatory in Hawaii. The page features NOAA MLO data and charts with charts and links for Scripps MLO data.| www.co2.earth