Term had kicked off in Oxford and here are two lectures I have just given in the opening week series "Welcome to the Anthropocene"
A short history of the biosphere (35 MB). This lecture is part of the “Welcome to the Anthropocene” series on “Introduction to timescales”. In this lecture, I address such topics as: (1) key components of the biosphere over Earth’s history, from evolution of photosynthesis to present. (2) Mass extinctions and periods of rapid climate change - the Palaeocene-Eocene thermal maximum and glaciations. (3) Contemporary global change in the context of Earth history. (4) The concept of the Anthropocene. The metabolism of a human-dominated planet (56 MB) This lecture explores how human activity and use of the biosphere has changed through human history and pre-history, through hunter-gatherer, agrarian and industrial modes of society. I discuss the concept of describing human activity and material and energy use through social metabolism, and compare with the inherent biological metabolism of the biosphere. I explore a range of ideas and bizarre questions such as: to what extent can human societies be considered as superorganisms? In what way are cities more like stars rather than like ant colonies?
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AuthorYadvinder Malhi is an ecosytem ecologist and Professor of Ecosystem Science at Oxford University Archives
August 2019
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