Take the results TfL have published about the removal of the Western Extension of the Congestion Charging Zone (WECC).

BBC: London

Although he scrapped the scheme's western extension zone when he succeeded Mr Livingstone in 2010, Mr Johnson has described the original scheme as a success which had benefited London.

BBC: Has London's congestion charge worked?

Cardiff council is about to finish an extension at Thornhill cemetery and is in the process of planning for an extension at Western cemetery, which will add another 10 to 20 years of burial space.

BBC: Glanogwen churchyard, Bethesda

Western Isles SNP MP Angus MacNeil welcomed the extension but added that Scotland could still be left in the "bizarre situation" of having no tugs over the winter.

BBC: Three-month extension' for Scotland's coastguard tugs

Rio Tinto also announced an extension of its joint venture with Sinosteel Corporation in Western Australia, designed to allow for a further 50 million tonnes of iron ore to be produced in the Pilbara region.

BBC: Rio Tinto agrees Chinalco mineral tie-up

Shariah finance is an extension of Islamic law, pushing a faith-based alternative to Western banking.

CENTERFORSECURITYPOLICY: Center For Security Policy