What are the ethical considerations surrounding the deployment of negative emissions technologies?

This table presents the latest, daily average reading for atmospheric CO2 on the planet. Updates happen once a day with few exceptions. The global average carbon dioxide set a new record high in 2023: 419.3 parts per million. Atmospheric carbon dioxide is now 50 percent higher than it was before ... Oct 18, 2019 ... Less well-known is their importance to the ocean's carbon sink, where CO2 is removed from the atmosphere ... per cent of the available krill and ... Feb 3, 2025 ... CO2 atmospheric dry molar fraction (ppmv), averaged over a calendar year Ice cores Mauna Loa 1800 1820 1840 1860 1880 1900 1920 1940 1960 ... 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 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. 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 ... 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 ... Aug 31, 2022 ... We hear about the overload of carbon dioxide in the atmosphere, but what percentage of this comes from human exhalation? Nick Canning. ... CO2 as 410.28 ppmv, the percentage content would be equal to 0.041028%. Now, we can calculate the following: 0.041028% (CO2 atmosphere volume) * 28.971 g ...