The corporate sustainability and social responsibility movement is largely an alternative to government regulation of business activity.

FORBES: Environmental Regulations: The New Frontier

But following what a DfID spokesman called "a day of intense activity searching for an alternative aircraft", a C17 military transport aeroplane was located which is expected to leave from RAF Brize Norton on Friday night.

BBC: UK rescue team head to Indonesia

These match climate models' predictions of what happens when warming is induced by greenhouse gases better than it matches predictions of the result of changes in the sun's activity, the main alternative hypothesis for what might be causing the climate to change.

ECONOMIST: Changing science

Earlier this year, the consulting firm Casey Quirk, along with eVestment, released a survey which showed alternative investments will drive up to 20% of U.S. manager search activity in 2012.

FORBES: Hedge Fund Transparency: Is It Possible?

This alternative index, he argues, does a much better job of explaining the pace of economic activity than conventional measures.

ECONOMIST: Loose change