1. High-resolution carbon dioxide concentration record 650,000–800,000 years before present
2. Revision of the EPICA Dome C CO2
record from 800 to 600 kyr before present
3. IPCC
Global Warming of 1.5°C. An IPCC Special Report on the impacts
of global warming of 1.5°C above pre-industrial levels and related
global greenhouse gas emission pathways, in the context of strengthening
the global response to the threat of climate change, sustainable development,
and efforts to eradicate poverty; Cambridge,
UK and New York, NY, USA, 2018; p 616.
4. IPCC
Climate Change 2021: The Physical Science Basis. Contribution of Working
Group I to the Sixth Assessment Report of the Intergovernmental Panel
on Climate Change; Cambridge, United Kingdom
and New York, NY, USA, 2021; p 2391.