A Global Justice Project report released this week outlines a “sufficiency” economic model that would dramatically shrink the wealth of the world’s richest 1% while redirecting resources to fund rapid decarbonization. The proposal hinges on global wealth and income taxes that would shift capital from affluent Northern nations to poorer Southern ones, according to the report.

Global Wealth Tax Could Trim the Richest 1%’s Share by a Dramatic Margin

The report argues that a global wealth tax would reduce the richest 1%’s share of global assets, a figure that the authors say is currently unsustainably high. By levying a tax on net worth above a certain threshold, the proposal would redistribute capital to support public services and climate action.. As the Global Justice Project notes, this shift would also curb the concentration of wealth that fuels political inequality.

Decarbonization Funding Through Global Income Tax and Tariffs

Central to the plan is a global income tax that would finance renewable energy and storage projects. The authors claim that the falling costs of solar, wind, and battery storage make the transition more viable than ever. They also suggest that corrective tariffs could pressure major powers like the United States and China to join the effort, even if they initially opt out.

Shorter Work Hours and Reduced Material Consumption as Core Policy Tools

The sufficiency model calls for structural changes such as shorter work weeks and a pivot toward sectors like education and health. The report argues that these measures would keep temperature rise within planetary boundaries while financing climate and human capital investments. According to the authors,such a shift would also create a more equitable distribution of labor and resources.

Political Feasibility: A Moral Imperative Meets Technological Optimism

While skeptics question the practicality of global coordination, the report posits that a habitable, equal 21st century is a moral imperative and a material possibility if we embrace bold policy shifts and technological optimism.. The authors emphasize that the proposal is not a radical degrowth scenario but a balanced approach that preserves prosperity for all.

Who Will Pay the Global Tax and Who Will Benefit?

The report leaves unanswered who exactly will bear the burden of the global wealth and income taxes and how the benefits will be distributed acrsos nations. It also does not specify the exact tax rates or thresholds that would be applied,leaving room for debate among policymakers and economists.

According to the Global Justice Project, the sufficiency model offers a concrete pathway to reduce inequality and fund climate action.. As the report points out, the combination of falling renewable energy costs and a global tax framework could make this vision a reality.