CO2 Now

What the world needs to watch

Global warming is mainly the result of CO2 levels rising in the Earth’s atmosphere. Both atmospheric CO2 and climate change are accelerating. Climate scientists say we have years, not decades, to stabilize CO2 and other greenhouse gases.

To help the world succeed, CO2Now.org makes it easy to see the most current CO2 level and what it means. So, use this site and keep an eye on CO2. Invite others to do the same. Then we can do more to send CO2 in the right direction.

Watch CO2 now and know the score on global warming, practically in real time.

Current Data for Atmospheric CO2

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The world's most current data for atmospheric CO2 is measured at the Mauna Loa Observatoy in Hawaii. Measurements are made and reported independently by two scientific institutions: Scripps Institution of Oceanography and the National Oceanic and Atmospheric Administration (NOAA). Monthly data is posted below.

Mauna Loa CO2 Data Sets:

Monthly NOAA CO2 Data
Weekly NOAA CO2 Data

Monthly Scripps CO2 Data
Daily Scripps CO2 Data

| Monthly |

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Cause and Effect

Climate Changes

Scientific Predictions

Climate Science

Know CO2

The Need to Know CO2

Know GHGs

All Greenhouse Gases

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