Soil arsenic (As) contamination by anthropogenic and industrial activities is a problem of global concern.
Contamination of water sources by synthetic dyes is a problem of global concern given their potential toxicities and environmental impacts.
Contamination of aquatic systems due to toxic heavy metal ions has become a problem of global concern (Yan et al. 2010).
Heavy metal pollution of water bodies is an environmental problem of global concern and efforts are being made for their efficient removal using various natural and synthetic materials.
Removal of heavy metals in water is a problem of Global concern and researchers all over the world are making tireless efforts to address this big issue with the best of their abilities and capabilities.
To the Editor: Human salmonellosis is a major public health problem of global concern.
The use of mercury in artisanal small-scale gold mining (ASGM) is a problem of global concern [ 1] because it leads to the greatest anthropogenic emission of this toxic heavy metal worldwide [ 2, 3].
While the initial development of antimicrobial resistance mechanisms may be a local event, antimicrobial resistance has become a problem of global concern, usually resulting in prolonged and expensive therapy [ 1].
"Clearly, this is of global concern, but it is not a global problem now," Dr. Frederick G. Hayden, an influenza expert at the organization, said in a telephone interview.
Drought is of global concern for society but it originates as a local problem.
