Sunlight, undoubtedly, is the future source of energy for humans.
Microalgae are a promising future source for sustainable edible oils.
Several faculty work on a future source of nuclear power called "nuclear fusion".
About 80% of Americans say they think nuclear power will be "an important future source of energy".
Without a future source of financing, the medical society decided to stop operating the existing program in 2013.
Japan now, as a result of the Fukushima accident, they're looking at offshore wind as a major future source.
These taxes are expected to provide a crucial future source of revenue for states, especially as more consumers buy goods online.
But the World Service is nowadays funded, not by the Foreign Office, but by domestic licence-fee payers; and this must be a future source of worry.
He said that one great future source of innovation could be getting schools to harness the power of computer games as interactive learning tools.
But Japan increasingly sees Russia as a future source of oil and gas and as an ally in dealing with China, Asia's rising power.
However, just £61m came via the private sector, meaning £189m came from local councils – possibly not a viable future source of flood protection money given the spending cuts.
