They keep it warm in the White House.

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At the end of this time, the earth would elope with one of the red dwarfs, which are extremely long-lived stars and would keep it at least feebly warm for billions more years.

ECONOMIST: To the ends of the earth

Not only would the exhaust keep the plants warm, it might also fertilise them.

ECONOMIST: Horticulture

Brezovan's opposite number Sorensen had been finding it hard to keep his hands warm in the cold Britannia Stadium, having not been tested in the first half.

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"It is our only way to keep warm", Shazzia explained.

BBC: Afghanistan: Through veiled eyes

It acts like a blanket to keep the world warm.

FORBES: A Call to Arms on Climate Change

Although the assembly government can not control fuel prices or income levels, which also directly affect fuel poverty, the minister confirmed that it was offering energy efficiency advice, supporting financially through schemes such as Arbed and urging people to keep warm in the cold weather.

BBC: Sustainability questions