1. Carbon dioxide levels continue at record levels, despite COVID-19 lockdown, 2020. https://public.wmo.int/en/media/press-release/carbon-dioxide-levels-continue-record-levels-despite-covid-19-lockdown.
2. WMO Greenhouse Gas Bulletin (GHG Bulletin) - No. 16: The State of Greenhouse Gases in the Atmosphere Based on Global Observations through 2019, 2020. https://library.wmo.int/index.php?lvl=notice_display&id=21795#.X80QkmgzbIU.
3. Carbon capture and storage;Gibbins;Energy Policy,2008
4. Plastic/rubber waste-templated carbide slag pellets for regenerable CO2 capture at elevated temperature;Sun;Appl Energ,2019
5. Biomass ash stabilized MgO adsorbents for CO2 capture application;Guo;Fuel,2020