The IEA's chief economist Fatih Birol told BBC News that natural gas, which has only half the carbon emissions of coal, is already competing for priority with clean renewable energy.
The Obama administration must not only lead an agreement between two peoples who have been in conflict for a century, it must also start a reconciliation among the three faiths that have been competing for priority on God's right hand.
In light of these findings, we hypothesize that PFC's involvement increases when task-irrelevant information competes for priority in processing.
In an event-related fMRI study using an oddball variant of the Stroop task, we examine the generality of this hypothesis using three manipulations designed to increase the ability of task-irrelevant information to compete for priority in processing.
Toilets need to compete for priority on an emotional level, rather than a rational level.
The research of psychologist Jonathan Haidt suggests that progressives base ethics on an Enlightenment blend of fairness and harm avoidance, while conservatives get their moral sensibilities roused by a more complex blend in which these two compete for priority with purity, loyalty, and deference to authority.
Thus, on domestic and global fronts, public health advocates compete for priority and resources for vertical (single-disease) versus horizontal (infrastructure or systems) programs; infectious diseases versus noncommunicable diseases; targeting diseases to improve health versus emphasizing the role of economic development or social determinants; and primary health care versus eradicating diseases.
Further, although these obligations may compete for priority, they are not necessarily mutually exclusive: perhaps it is a 'more pressing duty to relieve [immediate] suffering' than to participate in research that will prevent future suffering, but we may be able to do both; and if we can, we should.
However, in practice, there might be multiple projects with different priorities competing for resources.
One of the interviewees had considerable experience in developing and implementing guidelines in diabetes care, and identified that the limited resources for managing diabetes means that there are many priorities competing for inclusion within the guidance given to healthcare professionals (box 2(2)).
Even though Mourinho said before tonight's game against Dynamo Kiev that Chelsea can, in theory, win all four trophies they are competing for, the club's immediate priority boils down simply to what he called "a change in results".
