Table 4.

Prevalence of dematerialization

Impact	Place	Years	c	t
CO2 emission	Global	50/90	−0.3	−0.4
CO2 emission	Global	91/99	−1.2	−0.6
CO2 emission	France	1980s	−1.9	−3.2
CO2 emission	France	1990s	0	−0.9
N fertilizer	Global	1960s	−2.6	8.4
N fertilizer	Global	1990s	−0.3	−0.3
Land for feed	U.S.	67/92	−1.5	−3.3
Cropland	Global	1970s	−1.3	−1.5
Cropland	Global	1990s	−0.1	−2.3
Cropland	India	1970s	−1.1	−1.7
Cropland	India	1990s	−3.4	−2.6
Water	U.S. Agr	70/95	−0.7	−1.7
Water	U.S. Mfg	70/95	0.6	−5.1

The prevalence of dematerialization indicated by falling c and of improving efficiency shown by falling t percent per year. The t for land for feed for meat is t₁ + t₂. The sustainability levers change c + t.