UK Cannot Escape Colonial-Era Liability, Legal Expert Argues

The state persists. Governments change, but the state does not.
Dr. Karibi-Whyte argues the UK cannot escape colonial liability by citing changes in political leadership.
Mark

So the core claim here is that the UK can't just say "that was a different government, not our problem"?

Mimi

Exactly. International law treats the state as a continuous entity. The UK today is legally the same state as the UK during colonialism. Governments change, but the state doesn't.

Luke

But has any court actually ordered a former colonial power to pay environmental reparations based on this theory?

Mimi

The Nauru phosphate case showed environmental damage can be a basis for claims. But you're right—there's no precedent of a major power actually paying.

Mark

What's the scale we're talking about here?

Mimi

The report estimates hundreds of trillions of dollars if you apply the valuation framework across all of Africa and the full colonial period.

Luke

That number—hundreds of trillions—how solid is that? Is that one researcher's projection or consensus?

Mimi

It's based on a 2022 peer-reviewed estimate about unequal exchange, then extrapolated. So it's grounded, but it's still an extrapolation.

Mark

And what happens next? Does this go to court?

Mimi

The report is being submitted to the African Union's reparations committee to help develop a unified African approach.

Luke

So it's a policy document, not a legal filing. That's important to note—it's advocacy research, not a court case.

Mark

Does that make it less powerful?

Mimi

Different kind of power. It's building the intellectual and legal framework that African nations could use if they choose to pursue claims.

  • A legal scholar at the University of Lagos has directly dismantled one of Britain's most relied-upon defenses — that today's government cannot be held accountable for a colonial predecessor — by pointing to international law's own doctrine of state continuity.
  • A newly launched research report attempts to put a number on colonial ecological harm, with estimates suggesting environmental reparations claims across Africa could reach into the hundreds of trillions of dollars.
  • The Nauru phosphate case at the International Court of Justice is being cited as precedent, establishing that environmental damage from colonial administration is a legitimate basis for state liability decades later.
  • African scholars and geographers are characterizing the ecological toll — in Nigeria alone described as 'colossal' — as an ongoing wound that continues to shape economies and environments across the continent.
  • The report is being submitted to the African Union's reparations committees, signaling a coordinated continental push to formally claim environmental damages from former colonial powers.

At the University of Lagos, legal scholar Dr. Asikia Karibi-Whyte invoked a foundational principle of international law — that states persist even as governments change — to argue that the United Kingdom bears unbroken legal responsibility for the ecological destruction wrought during its colonial rule across Africa. The occasion was the launch of a research report, CO2lonialism, Ecocide and Reparations, which attempts to quantify that destruction and fold it into formal reparations claims that could reach hundreds of trillions of dollars. The argument does not ask Britain to accept a new legal standard; it asks Britain to accept that the standards already written into international law apply to itself.

At a panel discussion marking the launch of the research report CO2lonialism, Ecocide and Reparations, Dr. Asikia Karibi-Whyte challenged one of Britain's most persistent defenses against colonial reparations: that current governments cannot be held liable for the actions of their predecessors. Under international law, she argued, that defense does not hold. A state does not change its fundamental legal identity when its government changes — the United Kingdom that extracted resources and disrupted ecosystems during empire is, in the eyes of international law, the same state that exists today.

To anchor the argument in precedent, Dr. Karibi-Whyte pointed to the Certain Phosphate Lands in Nauru case before the International Court of Justice, which established that environmental damage inflicted during colonial administration can form the basis of an international legal claim, even decades after the fact.

The report, led by Professor J. G. Nkem Onyekpe, attempts to quantify what that liability might look like. Drawing on a 2022 peer-reviewed estimate that valued resources extracted from the Global South at over $10 trillion in 2015 alone, the authors project that environmental reparations claims across Africa could reach into the hundreds of trillions of dollars. Professor Nnagugwu Oscar Uluocha, a geographer at the University of Lagos, described the ecological damage inflicted on Nigeria under British colonial rule as 'colossal.'

The report is being submitted to the African Union's Committee of Experts on Reparations, with the aim of helping African nations develop a unified approach to claiming environmental damages from former colonial powers — expanding the reparations conversation beyond slavery and forced labor to include the systematic degradation of ecosystems whose consequences persist today.

In a panel discussion at the University of Lagos, Dr. Asikia Karibi-Whyte, a legal scholar specializing in jurisprudence and international law, directly challenged one of the United Kingdom's most persistent defenses against colonial reparations claims: that current governments cannot be held liable for the actions of their predecessors. The argument, she said, collapses under the weight of international law itself.

The occasion was the launch of a new research report titled CO2lonialism, Ecocide and Reparations, which examines the ecological consequences of colonial rule across Africa. The timing and venue—a major African university, with scholars from across the continent—signaled that this was not a marginal academic exercise. The report's central claim is straightforward but expansive: the environmental destruction wrought by colonial economic systems should be quantified, valued, and incorporated into formal reparations claims against the former colonial powers.

Dr. Karibi-Whyte's core legal argument rests on a principle that international law has long recognized: a state does not change its fundamental identity when its government changes. The United Kingdom, in the eyes of international law, is the same legal entity today that it was during the height of empire. Governments come and go; administrations shift; but the state persists. This continuity of state identity, she argued, means that Britain cannot simply shed responsibility for colonial-era wrongs by pointing to the passage of time or the turnover of political leadership. The state that extracted resources, disrupted ecosystems, and impoverished colonies is the same state that exists now.

To ground this argument in precedent, Dr. Karibi-Whyte pointed to the "Certain Phosphate Lands in Nauru" case before the International Court of Justice. That proceeding established that environmental damage inflicted during colonial administration—in that case, the devastation caused by phosphate mining—can become the subject of an international legal claim. The case demonstrated that courts recognize environmental harm as a legitimate basis for state liability, even when the damage occurred decades earlier under different political leadership.

The report itself, led by Professor J. G. Nkem Onyekpe, attempts to quantify what that liability might look like. Using a 2022 peer-reviewed estimate, the authors note that resources appropriated from the Global South through unequal economic exchange were valued at more than $10 trillion in 2015 alone. When that analytical framework is extended across the full span of colonial rule and applied to African states, the potential scale of environmental reparations claims reaches into the hundreds of trillions of dollars. Professor Nnagugwu Oscar Uluocha, a geographer at the University of Lagos, characterized the ecological damage inflicted on Nigeria under British colonial rule as "colossal"—a word that carries weight when spoken by someone who studies the land itself.

The report is not merely an academic exercise. It is being prepared for submission to the African Union's Committee of Experts on Reparations and Legal Reference Group on Reparations. The intention is to help African nations develop a coordinated, unified approach to claiming environmental damages from their former colonial rulers. This represents a shift in how reparations are being framed and pursued—moving beyond the historical injustices of slavery, forced labor, and resource extraction to include the systematic degradation of ecosystems that continues to shape African economies and environments today.

What makes this argument significant is that it does not ask the United Kingdom to accept a new principle of international law. It asks the UK to accept that the principles already embedded in international law apply to it. The state is continuous. The damage was real. The law recognizes both. What remains is the question of whether Britain will.

The ecological damage inflicted on Nigeria under British colonial rule was colossal
— Professor Nnagugwu Oscar Uluocha, University of Lagos
Changes in political leadership do not change the identity of the state under international law
— Dr. Asikia Karibi-Whyte, paraphrased
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