Table 7.11. Agricultural Yield Changes Under a 2x CO2 Climate (percentage of Gross Agricultural Product)."

a

b

After Rosenzweig et al (1993), of also Fischer et al. (1993[1994?]), Rosenzweig and Parry (1994), and Reilly (1994).
The dimate change scenarios are based on equilibrium 2002 experiments using the General Circulation Models o
the UK Meteorological Office, the Goddard Institute for Space Studies, and the Geophysical Fluid Dynamics
Laboratory.

c The scenarios are (1) no adaptation, (2) minor shifts, and (3) major shifts in behaviour.

alternatives (nuclear, hydro, wind, geothermal, etc.) (all % of total energy); ΣEner = tɔtai energy; (M)toe = (million) tons of oil equivalent: popul population: GNP gross nadonal product in 1989.

Western Europe - OECD Europe (includes Turkey); Eastern Europe = non-OECD Europe (includes Cyprus, Gibraltar and Malta); JANZ-Japan, Australia and New Zealand.

Source: Van Ettinger (1994), p.12.

Figure 7.1

Schematic overview of available options to counter the greenhouse effect and their possible feedbacks