- Catastrophes - The St Andrews Prize Lecture, Royal Institution, London - 22 October 2001. (Third lecture on page).
- El Nino and its significance - "El Nino has been sloshing back and forth for at least the last 10,000 years, and we all have to adapt with the changes it brings. For a society living at our ecological limits as we do with our incredible pressure of population, any change is perilous and represents a challenge which most cannot meet...". Deleivered to the Royal Geographical Society in Hong Kong, 11 November 1999.
- Risks of Conflict: Population and Resource Pressures - speech presented at the Woodrow Wilson Center, April 2001.
- Risks of Conflict: Population and Resource Pressures - the full version of the speech given at the Woodrow Wilson Center, Washington DC, 10th April 2001. HTML.
- Schumacher Lecture - October 1993, Bristol. "The road from Rio". (118KB).
- "Sustainable Development has become a kind of slogan for global progress. It spans an apparent contradiction, and has even been described as an oxymoron. In fact it is an attempt to reconcile two very different interpretations of past, present and future...". Given at the Harvard Medical School Centre for Health & the Global Environment.
- See the CrispinTickell.com website for a growing collection of his articles, lectures and book reviews - all indexed and searchable.
- From a Bipolar World to Multilateralism - delivered to LEAD, originally prepared for a lecture to the Centro Argentino por Relaciones Internacionales, Buenos Aires, 25 March 1997.
- RELIGION, ENVIRONMENT AND HUMANITY - Sir Crispin Tickell, Portsmouth Cathedral, 30 November 2002. "Environment is the stuff of religion, and religion is the stuff of the environment. Their relationship once went without saying. Yet we live at a time when they are being prised apart. This is the slow-acting result of two main factors: our vastly increased knowledge of the natural world and the place of the human species within it; and our vastly increased knowledge of the human mind, and how and why we believe and act as we do..."
- Risks of Conflict: Resource and Population Pressures contains a report on an address by CT. April 10 2001
- The Earth Summit - speech given on 30 June 1992 to the European Atlantic Group about the recently concluded conference.