Environmental phobias

Acrophobia, also known as hypsophobia, is an extreme or irrational fear or phobia of heights, especially when one is not particularly high up. It belongs to a category of specific phobias, called space and motion discomfort, that share similar causes and options for treatment.

Astraphobia, also known as astrapophobia, brontophobia, ceraunophobia, or tonitrophobia, is the fear of thunder and lightning or an unwarranted fear of scattered and/or isolated thunderstorms, a type of specific phobia. It is a treatable phobia that both humans and animals can develop. The term astraphobia comes from Ancient Greek ἀστραπή (astrape), meaning "thunder", and φόβος (phóbos), meaning "fear".

Thalassophobia (from Ancient Greek θάλασσα (thálassa), meaning "sea", and φόβος (phóbos), meaning "fear") is the persistent and intense fear of deep bodies of water, such as the ocean, seas, or lakes. Though related, thalassophobia should not be confused with aquaphobia, which is classified as the fear of water itself. Thalassophobia can include fears of being in deep bodies of water, the vastness of the sea, sea waves, aquatic animals, and great distance from land.

thumb|right|200px|alt=Radiation need not be feared, but it must command your respect.|Health physics poster [[exhorting respect for—rather than fear of—radiation. (ORNL, 1947)]]

thumb|William Blake, Christian Fears the Fire from the Mountain thumb|Training against fire phobia at the US Army Pyrophobia is a fear of fire, which can be considered irrational if beyond what is considered normal. This phobia is ancient and primordial, perhaps since humanity's discovery of fire. Usually pertaining to humans' comprehensible reaction to fire itself, the fear of fire by other animals cannot be considered pyrophobic, as they are thought not to understand its purpose beyond general danger.

Gephyrophobia is the anxiety disorder or specific phobia characterized by the fear of bridges and tunnels, especially those that are older. As a result, sufferers of gephyrophobia may avoid routes that will take them over bridges, or if they are a passenger, will act very apprehensively when passing over a bridge. The term gephyrophobia comes from the Greek γέφυρα (gephura), meaning "bridge", and φόβος (phobos), meaning "fear".

Heliophobia is the fear of the Sun, sunlight, or any bright light. It is a type of specific phobia.

Ancraophobia, also known as anemophobia, is an extreme fear of wind or drafts. It has many different effects on the human brain. It can cause panic attacks for those who have the fear, and can make people miss out on regular everyday activities such as going outside.

Frigophobia is a phobia pertaining to the pathological concern of hypothermia. Frigophobia is a psychiatric condition that appears mainly in the Chinese culture. Sufferers of this affliction compulsively bundle up in heavy clothes and blankets, regardless of the ambient air temperature. This disorder has been linked to other psychological disorders such as hypochondriasis and obsessive-compulsive disorder. In a 1975 study among ethnic Chinese in Taiwan, it was noted that frigophobia may be culturally linked to koro, where that disorder causes male sufferers to feel that their penis is retracti