Or sign-in if you have an account. 'Dividing an interdependent world is going back in history,' Xi said in a speech at the APEC CEO Summit in Peru You can save this article by registering for free ...

The strength of the sun's ultraviolet (UV) radiation is expressed as a Solar UV Index or Sun Index.The UV Index does not exceed 8 in the UK (8 is rare; 7 may occur on exceptional days, mostly in the ...