Sentence examples for be a serious source from inspiring English sources

Buses can be a serious source of city centre air pollution.

Facebook must determine whether it's willing to be a serious source of news, even if the content it shows is challenging or uncomfortable for some viewers seeking a more light-hearted experience.

Its economists figure that a full takeover by either party could result in a short-term enactment of all of the fiscal belt-tightening at once in the first quarter of 2013, for reasons of arcane political gamesmanship, which "would be a serious source of uncertainty for the market, businesses, and individual taxpayers".

ROS may already perturb the intracellular environment during the experiment and thus can be expected to be a serious source of cell damage.

The accumulation of some of these wastes in nature is considered to be a serious source of pollution and health hazards.

Russia's refusal to join international condemnation of Syrian president Bashar al-Assad was a serious source of tension, hinting at the danger of cold war-style proxy conflicts between the two nations and blocking US efforts to oust the Syrian leader.

The petitioners argue that "it is now incontrovertible fact" that lead fragments in the bodies of animals shot with lead bullets or lead pellets are "a serious source of lead exposure to scavenging animals" and a health risk to humans who eat hunters' kills.

External ventricular drains (EVDs) are a serious source of morbidity and mortality.

This is a serious source of concerns about the future of individualization in Europe if regarded in global comparisons.

"It doesn't seem to be that Stratfor is a serious source of information".

The freebies and miniature packs of everything, from shoe-cleaning kits to peanuts, are also a serious source of joy - not just for kids.