Early results from Schaefer's study of the movements of gamma-ray bursts suggest that dark energy is different far out in space, and therefore way back in time.

NPR: New Clue to Universe's Darkest Mystery

It could be the past, it could be in the far future, you could be out in space, it could even be maybe told from the point of view of an alien.

CNN: Author Iain M. Banks: 'Humanity's future is blister-free calluses!'

Ethanol produced from food crops is an economic monstrosity that would require far more space than available here to spell out in proper detail.

WSJ: The Experts: What Renewable Energy Source Has the Most Promise?