There is room for four runways, with a tiny fraction of the impact at Heathrow.

ECONOMIST: Letters

For instance, product-service systems like car sharing and tool libraries--in which a product we used to buy and take home becomes a service we use only as needed--offer us access to the products we want at a fraction of the ecological impact.

FORBES: Magazine Article

In Indonesia, according to official figures which probably reveal only a fraction of the disease's impact over 400 people have died from dengue this year, including 54 in Jakarta.

ECONOMIST: Dengue fever, a man-made disease

And if some substantial fraction of them do, how much overall impact does this have on the aggregate test scores of the lottery-losing children?

FORBES: KIPP and the Charter School Lottery

Though new homes represent only a fraction of the housing market, they have an outsize impact on the economy.

NPR: US Housing Starts Dip But Remain At Solid Pace

But the EPA said Thursday that the impact of ethanol on corn prices was only 7 cents per bushel--a fraction of the overall price increase since last year.

FORBES: Big Win For Biofuels

Bob Knebel, vice president of Bombardier Flexjet, which arranges for individuals or companies to purchase shares in business jets at a fraction of full ownership cost, says the sour economy had a much bigger impact than 9-11 on fractional sales.

CNN: Corporate air charters take wing