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If by 'climate change' you mean anthropogenic climate change then yes, very much so. It has already cost lives and livlihoods, typically in parts of the world least able to cope. And things will get worse before they get better - see IPCC 5th Assessment of impacts on human health
https://www.ipcc.ch/pdf/assessment-report/ar5/wg2/WGIIAR5-Chap11_FINAL.pdf
JoePablo
Is it a thing that we should worry about?