This talk "The Ox-Cam Arc: Whitehall's deadly secret and how it will affect you" was given to a joint meeting of the Stonesfield Climate Emergency Group and Sustainable Stonesfield on 22nd June 2021. It covers many aspects of Ox-Cam Arc development: the houses, the roads, the economy, 'doubling nature' and local democracy, or the lack of it across all five arc counties. The talk was chaired by Caroline Friend of the Climate Emergency Group and was followed by a Q&A session. (81 mins including the Q&A session).