What are the microbial processes involved in soil carbon cycling and their sensitivity to climate change?

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 ... By weight, dried tree material is about 50 percent carbon. Trees also release carbon dioxide to the atmosphere as a function of their physiology. When some ... CO2 and N2 already represent 99.9% of the Venus' atmosphere. Encyclopedia category. Planetary aeronomy · Solar radiation. Read more ... 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 ... 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 ... Jun 26, 2023 ... The atmosphere is roughly 0.04% CO2, but humans have contributed about 33% of that, not 3%, since 1850. Jan 15, 2025 ... The average global atmospheric CO₂ concentration has increased by almost 20 percent since 1990, and set a record high in 2022. Oct 1, 2019 ... One common argument is that those countries that have added most to the CO2 in our atmosphere – contributing most to the problem today ... Feb 11, 2009 ... ... percent of those generated by today's ... Another indication that human emissions dwarf those of volcanoes is the fact that atmospheric CO2 ... Sep 17, 2023 ... A significant amount of carbon dioxide is exchanged between the atmosphere and oceans every year, but the fast carbon cycle's most important ...