Category
page 1Natural hazards
natural disaster
major adverse event resulting from natural processes of the Earth, which may cause loss of life or property

whirlpool
thumb|upright=1.36|The Gulf of Corryvreckan whirlpool in Scotland is the third-largest whirlpool in the world.
A whirlpool is a body of rotating water produced by opposing currents or a current running into an obstacle. Miniature whirlpools form when a bath or a sink is draining. More powerful ones formed in seas or oceans may be called maelstroms ( ). Vortex is the proper term for a whirlpool that has a downdraft.
Atlantic meridional overturning circulation
zonally-integrated component of surface and deep currents in the Atlantic Ocean
list of dates predicted for apocalyptic eventsn
predicted dates of the end of the world
climate risk
risk resulting from climate change and affecting natural and human systems and regions