What is the relationship between the percentage of CO2 in the atmosphere and global temperatures?

Jun 26, 2023 ... The atmosphere is roughly 0.04% CO2, but humans have contributed about 33% of that, not 3%, since 1850. Sep 16, 2019 ... CO2 Makes Up Just 0.04% of Earth's Atmosphere. Here's Why Its Impact Is So Massive ... Reader question: I heard that carbon dioxide makes up 0.04 ... These studies suggest that approximately 95% of atmospheric CO2 is natural. Carbon Dioxide in the Atmosphere is Increasing ... The amount of CO₂ in the atmosphere has increased more than 20% in 45 years, owing largely to human activities, ... Jun 14, 2021 ... The study found CO2 levels of more 1500 parts per million (ppm) in the atmosphere associated with extreme global warmth 50 million years ago, a ... Sep 4, 2020 ... The ocean is a sink for ~25% of the atmospheric CO2 emitted by human activities, an amount in excess of 2 petagrams of carbon per year (PgC ... Jan 2, 2023 ... Some researchers believe that approximately 0.045% by volume is the maximum more or less acceptable concentration of CO2 in the atmosphere. Jul 30, 2019 ... CO2 makes up only about 0.04% of the atmosphere, and water vapor can vary from 0 to 4%. But while water vapor is the dominant greenhouse gas in ... Sep 21, 2023 ... Worldwide, wildfires in 2021 released about 1.8 billion tons of CO2 into the atmosphere, compared to about 38 billion from fossil fuels and ... Apr 21, 2023 ... Carbon dioxide makes up only about 0.04% of the Earth's atmosphere, but that seemingly small figure ignores threat CO2 poses to the climate.