How do different greenhouse gases compare in terms of their global warming potential relative to CO2?

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 ... 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. Year, Value, Polutant. 1750, 278.0, CO2 (ppm). 1755, 278.0, CO2 (ppm). 1760, 278.0, CO2 (ppm). 1765, 278.0, CO2 (ppm). 1770, 278.6, CO2 (ppm). The table also gives the percentage of the atmosphere composed of the gas. Object. Mass. (kilograms). Carbon. Dioxide. Nitrogen Oxygen Argon Methane. Sodium. The 30% increase in atmospheric CO2 during the 20th century boosted crop productivity by around 15 percent. Continued improvements in crop variety, fertilizer,. Nov 9, 2021 ... Molecule for molecule, methane is far more effective than CO2 at trapping heat in the atmosphere. Estimates of how much methane emissions ... Carbon dioxide in the atmosphere warms the planet, causing climate change. Human activities have raised the atmosphere's carbon dioxide content by 50% in ... Net zero refers to a state in which the greenhouse gases going into the atmosphere are balanced by removal out of the atmosphere. ... carbon dioxide (CO2). Jun 12, 2023 ... How can such a small amount of carbon dioxide in the atmosphere—only around 420 parts per million—cause so much warming? Listen with. Speechify. May 18, 2023 ... ... atmosphere is cooling dramatically because of rising CO2 levels. ... The depth of the stratosphere has diminished by about 1 percent, or ...