War and armed conflict — Nuclear weapons — Military installations — United Kingdom Government’s defence policy — Nuclear deterrent policy — Trident nuclear warheads — Trident programme — Whether merits of Trident programme justiciable — Whether manufacture or maintenance of nuclear weapons contrary to international law — Humanitarian principles of international law — Relevance of Advisory Opinion of International Court of Justice

Treaties — Interpretation — Scope — European Atomic Energy Community Treaty, 1957 (“Euratom Treaty”) — Article 2(b) of Euratom Treaty — Chapter III of Title 2 of Euratom Treaty — Whether Euratom Treaty applying to military activities

Environment — Environment agency — Scope of powers — Radioactive Substances Act 1993 — Environment agency granting authorizations — Authorizations permitting discharge of radioactive waste — Whether authorizations decided on legally permissible grounds — Euratom Treaty, 1957 — Council Directive 80/836/Euratom — International Commission on Radiological Protection, Publication 60 — Justification principle — Whether Trident programme justifiable — The law of England