Road runoff pollutants are widely recognized as major causes of receiving water pollution.
Invasive species, overhunting, pollution and unsustainable harvesting were also mentioned as major causes of threats, along with climate change.
It has been also recognized as major causes of formation damage either in injection or producing wells.
Protection system failures have been recognized as major causes of expanded outages and thereby affect bulk power system reliability.
This led many scientists to focus on deficits in connections between brain areas as major causes of many mental health disorders.
This loss in habitat diversity and the use of agrochemicals are considered as major causes of the global erosion of biodiversity.
Headache have been recognized as major causes of public ill-health, whereas there currently are the limitations of conventional therapies available.
Mick Gough Stoke on Trent, Staffordshire The wellbeing and mental health of our young people are increasingly seen as major causes of concern – the Childline report on teenage suicides last week and the brutal murder of Ann Maguire.
In addition to their frequent involvement in mucosal and cutaneous diseases, the fungi are further emerging as major causes of invasive human diseases such as sepsis, especially in intensive care units in the context of critical illness.
Valavanidis A, Vlachogianni T, Fiotakis K, Loridas S. Pulmonary oxidative stress, inflammation and cancer: respirable particulate matter, fibrous dusts and ozone as major causes of lung carcinogenesis through reactive oxygen species mechanisms.
In a 2011 survey of nearly 840 drone operators, it found that 46percentt of Reaper and Predator pilots, and 48percentt of Global Hawk sensor operators, reported "high operational stress". Those crews cited long hours and frequent shift changes as major causes.
