joe inwood, bbc news. we can speak now to our climate editorjustin rowlatt who is in alicante in spain. justin — what impact is this all having? it is interesting, we have three simultaneous high pressure systems around the world, in europe where i am with temperatures expected to peak here in spain today with temperatures inland about 43, possibly 44 celsius. we have a similar system blocked in the south—west of the us drawing up hot air from the south, circling it around. the high pressure system pushes down and concentrates the heat. we have one in china, where they provisionally recorded the highest ever temperature, 52.2

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