2025年3月14日 · Estimates of the globally-averaged CH 4 abundance (monthly- and annually-averaged means), and the annual increase, are updated every month as new samples are …

2024年7月20日 · Key GHG components such as carbon dioxide (CO2), methane (CH 4), and nitrous oxide (N2O) are considered, along with data on emissions across various economic …

2022年9月1日 · Reservoir-induced radiative forcing is increasing globally due to rising methane emissions outweighing declining carbon dioxide emissions, according to modelling based on …

3 天之前 · Our study estimates China’s CH4 fluxes between 2000 and 2021, revealing an average of 48.4 ± 13.8 Tg yr−1 and a significant increasing trend of 1.1 ± 0.2 Tg yr−2.

2021年9月20日 · In 2020, CO 2 was at ~410 parts per million, while CH 4 was around 1870 parts per billion (or 1.87 ppm, a factor of more than 200 smaller). However the relative rise since the …

6 天之前 · CO2/CH4 CARs are on the order of 4.28-5.81 (YDN-1) to 3.43-5.57 (YDN-2), describing the remarkable competitive advantage of CO2 sorption relative to CH4 for shale. …

6 天之前 · This paper develops a CH4 emission database for China’s oil and gas systems from 1990 to 2022. It reveals that national emissions surged from 0.5 Tg to 4.0 Tg, mainly due to …

2022年8月1日 · Methane (CH 4) is a potent climate warmer: often referred to as the second most important greenhouse gas (GHG) after carbon dioxide (CO 2), it is responsible for …

2024年5月1日 · Enzymes involved in the biocatalysis of CO 2 and CH 4 are summarized systemically. Existing challenges in biocatalysis of CO 2 and CH 4 are pointed out. Future …

2013年5月18日 · We propose a transparent climate debt index incorporating both methane (CH 4) and carbon dioxide (CO 2) emissions. We develop national historic emissions databases for …