Definition: A natural resource that cannot be replaced by natural means at a pace quick enough to be keeping up with consumption.
Example: Oil
Loss of Nonrenewable Resources
Definition: To have robots or machines replace a human or what a human can do
Example: Sewing Machines
Man Supplanted by Machine
Definition: A concept of celestial bodies becoming steadily farther apart
Example: Pangea
Expanding Universe
Definition: An attempt to kill all the members of a particular group of people
Example: The Holocaust
Genocide
Definition: When the hydrogen in the sun will run out
Example: When a star in space runs out of hydrogen and dies
Dying Sun
Definition: The inability to produce offspring (if this were an issue all around the world then eventually that group would eventually be gone).
Example: Not being able to have a baby
Infertility
Definition: A region of space whee the gravitational field is too intense that no radiation or matter is able to escape
Example: In the movie Interstellar their is a black hole called "Gargantua" which is shown when they are in space
Definition: When their is an ice age in current times or in the future
Example: if the whole Earth freezes over night now everything would become ice and turn into a ice age
New Ice Age
Definition: When an asteroid enters a planet's atmosphere, colliding with the surface and creating meteor craters
Example: The Chicxulub Event
Asteroid Impact