1、School for Climate Studies|CGA Citrus Summit|12-03-2025 Creating a Sustainable Future in a Changing ClimateGuy MidgleySchool for Climate StudiesStellenbosch UniversitySchool for Climate Studies|CGA Citrus Summit|12-03-2025 OriginsRisksScenariosSchool for Climate Studies|CGA Citrus Summit|12-03-2025
2、https:/www.gpb.org/television/show/nova/season/49/ice-age-footprintshttps:/science.nasa.gov/science-research/earth-science/climate-science/core-questions-an-introduction-to-ice-cores/NASAs Goddard Space Flight Center/Ludovic BruckerBorn in the Ice ageSchool for Climate Studies|CGA Citrus Summit|12-0
3、3-2025 Born in the Ice age-Homo sapiens -https:/earthobservatory.nasa.gov/features/CarbonCycle/page4.phpSchool for Climate Studies|CGA Citrus Summit|12-03-2025 From Sage RF.1995.Was low atmospheric CO2 during the Pleistocene a limiting factor for the origin of agriculture?Global Change Biology 1:931
4、06From Borrel and Molist.2007.Tools and Hafting Systems at Tell Halula(Syria)during the 8th millennium cal.BC Palorient,vol.33.2,p.59-77School for Climate Studies|CGA Citrus Summit|12-03-2025 Wheat yield response to atmospheric CO2 levelFig 3 Tubiello et al./Europ.J.Agronomy 26(2007)215223School for
5、 Climate Studies|CGA Citrus Summit|12-03-2025 Sour Orange 300 ppm CO2 enrichment(400 700)aboveground wood biomass fruit biomassAll:Seed/Fruit ProductionFrom Poorter et al.2022 New PhytologistFrom Idso&Kimball.2001.Environmental and Experimental BotanyCO2 ppmSchool for Climate Studies|CGA Citrus Summ
6、it|12-03-2025 Marcott,S.A.,Shakun,J.D.,Clark,P.U.and Mix,A.C.,2013.A reconstruction of regional and global temperature for the past 11,300 years.science,339(6124),pp.1198-1201.2020212023Uncooling the planetSchool for Climate Studies|CGA Citrus Summit|12-03-2025 Constraints:Climat