World Justice Report: a Plan for Equality and Prosperity Within Planetary Boundaries

Box 1: Combining Global Equality and Planetary Habitability

The Global Justice Report describes desirable future scenarios combining two key goals: socioeconomic equality (including full equality between countries, full gender equality in labour hours and pay, sharp compression of within country income and wealth scales, combined with fair access to education, health and political voice), and planetary habitability (aligning global resource use within ecological boundaries, including a limitation of global temperature rise below 2°C). 

To avoid climate catastrophes, we show that sufficiency is required: a structural transformation of the economy involving shorter working hours, a lower material footprint, a shift from material-intensive sectors toward relatively immaterial sectors such as education and health, and major changes in food systems and land use. Rapid decarbonization of energy systems is also necessary, as is the sharp compression of income and wealth inequality. This compression is both a social justice objective and a condition for financing necessary climate investment and human capital expenditure and for sustaining political support from bottom- and middle-income classes in both the North and the South. 

Box 2: Material and Monetary Accounting for Democratic Debate

Economy and ecology cannot be debated apart: every economic activity has a material footprint, every ecological policy shapes incomes and wealth. To make these links visible, the Global Justice Report uses multidimensional social progress indicators. We set quantitative targets for global socioeconomic justice by combining two complementary languages: material accounting (work hours, sectoral shares, education and health, energy systems, GHG emissions, land use, forest cover, temperature levels) and monetary accounting (income and wealth scales between and within countries, progressive tax rates). The report draws on two centuries of historical data on global inequality and resource use, and on the recent literature on social progress, climate and colonial reparations. 

The Global Justice Report proposes a quantitatively and institutionally grounded step toward global justice. It does not seek to close the debate: it offers a transparent basis on which citizens, unions, parliaments, and international bodies can debate, contest, and decide the course of the coming decades.

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Chancel, L., Dietrich, J., Mohren, C., Moshrif, R., Odersky, M., Piketty, T., Somanchi, A., et al. (2026), The Global Justice Report: A Plan for Equality & Prosperity Within Planetary Boundaries, World Inequality Lab (gjp.wid.world).

individual

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INTERPERSONAL : SCIENCES             

humanistic ------------------------------- mechanistic

SOCIOLOGY : POLITICAL   

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group 

SOCIAL JUSTICE

Previously: 'wealth' : 'poverty' : 'social justice'

 My source: BBC Radio 4 World at One.