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This year’s huge El Niño is causing climate chaos around the world. Temperate records have already been broken, with extreme heat reported from western Europe to California. Meanwhile, Bangkok is suffering massive flooding and the weather phenomenon is projected to cause a further 450,000 deaths globally by February.

Jonathan Watts, the Guardian’s global environment writer along with extreme weather reporter Gabrielle Canon will be online from 4pm BST (11am EDT) today to answer your questions on the unfolding crisis.

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Heavy rains link to El Niño trigger severe land collapse in Guatemala as The Pinula River surges Photograph: Luis Vargas/Anadolu/Getty Images