The phrase "a key threat" is correct and usable in written English.
It can be used when discussing significant dangers or risks in various contexts, such as security, business, or environmental issues.
Example: "The report highlighted climate change as a key threat to global food security."
Alternatives: "a major risk" or "a significant danger."
The presence of viruses in vineyards across New York is a key threat to the state's burgeoning wine industry.
The federal environment department lists habitat loss as a key threat to both the yakka skink and the ornamental snake.
In Australia, over 50% of threatened species occur within the urban fringe and accelerating urbanization is now a key threat.
Biological invasions are a key threat to natural ecosystems and consequently a major focus of ecological research.
Urbanisation of the coastal zone represents a key threat to marine biodiversity, including rocky reef communities which often possess disproportionate ecological, recreational and commercial importance.
A key threat for the Chinese government is that since the existing unions are incapable of representing workers, they may begin to find their own representation.
He has not represented a genuinely key threat to the U.S. in the Middle East -- despite neocon rhetoric.
About a dozen key threats to the reef are identified and ranked, with current measures for the three worst (climate change, coastal development and pollution) rated as "poor" or "very poor" in their outcomes.
'A key current threat is a radical, ideology-based, long-term terrorist threat bent on using any means available -- to include weapons of mass destruction -- to achieve its political and ideological ends.' Relatively new, 'emerging' features are also included in the document's rationale for future threats.
The rejigged pact will substantially boost US access to Canada's dairy market and protect Canada's auto industry from possible US tariffs – a key Trump threat.
The objective of this study is to generate downscaled (4-km) projections of coral bleaching conditions (i.e. exposure to a key climate threat) and to make these publicly accessible to inform conservation planning and climate policy.
