Nuclear threat
By 2010, the world’s nuclear powers had 9,400 warheads, most of which were mated to a delivery system such as a missile or bomber. The weapons have the power to kill billions of people in an instant through direct attack and indirect effect, such as from the destruction of agriculture or water supplies. Nations rely on a doctrine known as nuclear deterrence to avoid using these catastrophic weapons.
If a nuclear disaster occurs, it will likely disrupt all infrastructure, including communications and electricity. You should be prepared to go without these for weeks or longer if needed, so it’s important to have a plan. In the event of a nuclear event, follow air-raid sirens and government announcements to learn more information and seek shelter in a building with few windows. If you see a flash of light or fireball, or hear a loud blast, drop to the ground immediately and hide under something sturdy. Stay away from windows, as the shock wave can shatter them and cause injuries through shattered glass.
After a nuclear emergency, radiation levels will increase for several hours, so it’s important to follow the advice given by authorities where you are. Radiation cannot be seen, heard, smelled or tasted, but it can cause many health effects, from minor like reddening of the skin to serious, such as cancer and miscarriage. Children, older adults, and pregnant women are more vulnerable.
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