But current prices, the equivalent of less than $7 a ton, are too low to encourage much of anything.
The price of phase two allowances has risen to a level high enough to get some power generators to switch from coal to gas at the margin when the gas price is moderate; but not high enough to get them to replace coal-fired power stations with gas-fired ones nor to encourage much of the innovation that carbon trading had been expected to spawn.
Whilst some of the early data are encouraging, much of the research to date is inconclusive or conflicting, and often from small retrospective trials using archived tissue.
The reviews "have encouraged much turning over of stones", he said.
It needs to be designed in such a way as to encourage much more of the same.
But Benji Lanyado, the founder of Picfair, believes that what Picfair offers is still better, based simply on how easy it is to sell on his site and the pricing structure, which sees Picfair take only a 20% cut and encourages much more purchasing of an image because of the generally lower pricing.
In his memoirs, the chief executive of the Polaris programme, vice-admiral Sir Hugh Mackenzie, recalled that while Labour ministers were happy to give "their support wholeheartedly, and even enthusiastically" to Polaris in private, in public they "remained sensitive to anything to do with it … and were reluctant to encourage much in the way of publicity for what it was achieving".
By digging the soil you will encourage much more rapid breakdown of organic matter.
We consider that a 'networking of science' model that encourages much more collaboration and online sharing of genomic data [ 113], including among the research participants and patients, will help to truly unleash the power of genome sequencing in clinical applications.
But it's also dialogical, encouraging much back-and-forth between works of similar subject or virtuosity.
