3. Strict and Absolute Liability

This is the 3rd post in Environmental Law, Unit II — Remedies against Environmental Pollution (the previous post covered negligence, which requires proof of fault). This post covers the two "no-fault" rules of liability that make out the single most examined topic in this unit.

The Problem This Topic Solves

Trespass needs direct interference; negligence needs proof of fault. Neither is adequate for the most dangerous kind of industrial harm — a hazardous escape from an inherently dangerous activity, where the operator may have taken every reasonable precaution and yet catastrophic harm still occurs. Strict and absolute liability exist to answer a simple question: who should bear the loss when a dangerous activity, however carefully run, still causes harm — the innocent victim, or the enterprise that created and profited from the risk?

The Rule in Rylands v. Fletcher — Strict Liability

The English rule of strict liability holds that a person who, for their own purposes, brings onto their land and keeps there anything likely to do mischief if it escapes, must keep it in at their peril, and is answerable for all the damage that is the natural consequence of its escape — regardless of whether they were personally at fault — provided the accumulation is a non-natural use of the land.

Strict liability is, however, subject to well-recognised exceptions, any one of which defeats the claim:

• Act of God (vis major) — the escape was caused by natural forces no human foresight could reasonably guard against.
• Act of a stranger — the escape was caused by the deliberate, unforeseeable act of a third party over whom the defendant had no control.
• Plaintiff's own default — the plaintiff's own fault caused or contributed to the escape.
• Statutory authority — the activity was carried on under the express or implied authority of a statute.
• Consent of the plaintiff — the plaintiff expressly or impliedly consented to the accumulation, as with a common benefit source (e.g. a shared water supply).

Absolute Liability — The Indian Departure

The Supreme Court of India held that the rule in Rylands v. Fletcher, developed for a nineteenth-century industrial England, was inadequate for a modern economy where hazardous industries operate in the midst of dense populations. It therefore evolved a new, stricter rule of absolute liability: an enterprise engaged in a hazardous or inherently dangerous activity owes an absolute and non-delegable duty to the community to ensure that no harm results from that activity, and if harm does result, the enterprise is liable to compensate without any of the exceptions available under Rylands v. Fletcher — not even an act of God, act of a stranger, or the plaintiff's own default excuses the enterprise. This is coupled with the "deep pocket" or enterprise-liability principle: the measure of compensation must be correlated to the magnitude and capacity of the enterprise, because a larger, more profitable enterprise can and must bear a proportionately larger burden.

Strict Liability vs. Absolute Liability — At a Glance

• Strict liability (Rylands v. Fletcher, 1868) — non-natural use + escape of a dangerous thing = liability, subject to five exceptions.
• Absolute liability (M.C. Mehta v. Union of India, the Oleum Gas Leak Case, 1986) — hazardous/inherently dangerous activity = liability with no exceptions at all.
• The "deep pocket" principle: compensation must be proportionate to the enterprise's size and capacity to pay.
• The distinguishing exam point: list the five Rylands exceptions, then state that absolute liability admits none of them.

A Practical Example

A chemical plant stores a hazardous gas for its manufacturing process. Despite following all prescribed safety protocols, a valve fails due to a manufacturing defect no inspection could have detected, and the gas escapes, injuring nearby residents. Under Rylands v. Fletcher, the plant might attempt to argue an exception; under the Indian rule of absolute liability, none of that matters — because the plant is engaged in an inherently hazardous activity, it is absolutely liable to compensate every person affected, with the compensation scaled to the size of the enterprise, regardless of how careful it was.

Quick Revision Points

• Strict liability = Rylands v. Fletcher (1868): non-natural use + escape, with five recognised exceptions.
• Absolute liability = M.C. Mehta v. Union of India (1986): hazardous activity + harm, with no exceptions.
• Deep pocket/enterprise-liability principle: bigger enterprise, bigger compensation.
• Absolute liability is India's own departure from the English rule — always name both cases together in an exam answer.
• See the full Case-Law analysis of the Oleum Gas Leak Case for complete facts, issues, and judgment.