The Health and Human Rights Approach to Greenhouse Gas Pollution
State of the Climate
Climate Emergency Institute
Global warming is the global average surface temperature increase, but there are climate change indicators that better reflect the climate state, and the more indicators considered the better is the state of the climate shown.
March 2026, WMO State of the Global Climate in 2025
Forster et al, Indicators of Global Climate Change annual update..
Climate Change Tracker Indicators (experts' site)
NOAA
Monthly climate reports (US and global)
Atmospheric CO2, methane and nitrous oxide monthly
Atmospheric CO2 All you really need (Most of the heating All ocean acidification)
Annual Greenhouse Gas Index
Monthly climate reports (US and global)
Atmospheric CO2, methane and nitrous oxide monthly
Atmospheric CO2 All you really need (Most of the heating All ocean acidification)
Annual Greenhouse Gas Index
Provides Atmospheric CO2 equivalent (all long-lived GHGs)
GHG Radiative forcing
Copernicus
Indicators Satellite data
WMO World Meteorological Organization
Our World In Data
(One of best)
Key charts of climate change, has the most indicators of any site
Under Emissions, the site has the main GHGs and also CO2eq. (all the GHGs together)
Under Emissions, the site has the main GHGs and also CO2eq. (all the GHGs together)
UK Met Office
Examples: Ocean heat content, Radiative (heat) forcing, Atmospheric CO2 equiv., Atmospheric CO2
'BAMS' State of the Climate authoritative, most comprehensive, detailed annual indicator report of the global climate published as a supplement to the Bulletin of the American Meteorological Society.
Climate Dashboard Dashboard
All the dashboards
All the dashboards
Atmospheric CO2 concentration is the best single indicator (incl. ocean acidification)