What research is currently underway to improve our understanding of the climate system and the role of CO2?

Jul 14, 2021 ... It found fires produced about 1.5bn tonnes of CO2 a year, with forest growth removing 0.5bn tonnes. The 1bn tonnes left in the atmosphere is ... The table also gives the percentage of the atmosphere composed of the gas. Object. Mass. (kilograms). Carbon. Dioxide. Nitrogen Oxygen Argon Methane. Sodium. 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. 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 ... What is carbon dioxide? Carbon dioxide (CO2) is a colorless, odorless, non-flammable gas that naturally occurs in the atmosphere. CO2 is produced by body ... At 150 PPM the plants begin to respire, and photosynthesis is stopped. At this low level the plant will no longer be able to obtain CO2 from the atmosphere and ... 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. Jan 21, 2021 ... We found that the world's forests emitted an average of 8.1 billion metric tonnes of carbon dioxide into the atmosphere each year due to deforestation and ... Direct air capture (DAC) technologies extract CO2 directly from the atmosphere at any location, unlike carbon capture which is generally carried out at the ... Human CO2 emissions upset the natural balance of the carbon cycle. Man-made CO2 in the atmosphere has increased by a third since the pre-industrial era.