Celebrated author Amitav Ghosh warned Tuesday that the top brass in Silicon Valley are preparing for "The Event" -- a potential collapse of the global systems -- as various interconnected worldwide crises, such as climate change, biodiversity loss, and the spread of new pathogens pose a growing threat to the world. Delivering the annual Dr CD Deshmukh Memorial Lecture here at the India International Centre (IIC), the award-winning writer offered a stark view of the interwoven disasters threatening the planet and said it would be "a mistake to think that we are living in a period of just one axis of disaster." "There are various interlinked axes of disasters. That's why I don't even talk about climate change. I think one has to speak of the planetary crisis. "Because there's biodiversity loss, which is perhaps an even greater threat than climate change... the species extinctions and there are the new pathogens that are sort of whirling around the world so we can see that there are al