Science Fact 1- Energy

Energy is something that can't be destroyed or created. It comes from the sun (solar energy).
or from radioactive atoms in Earth's interior. Through this, we are able to produce different kinds of energy and this allows machines and even living things to move and to do things. 
Sun is the main source of energy on Earth. 
Without even knowing, we use a lot of energy to do our activities such as washing the clothes, flying the kites, cooking food, playing video games, etc. The sun produces many kinds of energy : Heat energy, so the earth will be warm; Light energy, so the earth will be bright; solar energy, through solar cells, so there will be electricity.
On Earth, there is called "alternative energy" which means that energy which will never finish when we waste it. These are alternative energies:
Sun, water, air and biofuel energy.
Others are like heat energy, light energy, potential energy, kinetic energy, water energy, magnetic energy, muscle energy, etc.
Blog viewers, energy is everywhere around you. You need energy to do your activities, even though it's only a bit.
Question of the fact 1:
What happens without energy on Earth?

Leave your answers in comments!