When a Nobel-level physicist frames CO2 as a crusade victim, it rattles the foundations of climate orthodoxy.

In September 2023, Princeton University’s Emeritus Cyrus Fogg Brackett Professor of Physics, William Happer, spoke to an audience in Brisbane, Australia, about the crusade against carbon dioxide and integrity in climate science.

Professor Happer is one of the world’s leading scientists and climate realists, having made extensive contributions to the debate about climate science.

He has played a vital role in ensuring integrity in climate science, and the community is exposed to information and arguments that many major institutions in our society seek to silence or censor.

The Institute of Public Affairs was proud to host Professor Happer on a tour around Australia, where he spoke to audiences in Perth, Melbourne, Sydney, and Brisbane.

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