Game screen showing the Console Command line. Reference set. Console Commands are a debugging tool available to PC players, adding a wide range of functionality to the game. On American English keyboards, the tilde key (~) will toggle the console screen, but on British English keyboards, that key is the grave key ( ` ).
The constant stream of light from the sun is the only source of energy that comes from outside the Earth, and its action creates almost all other energy forms available on the planet.
1. alternative energy-energy derived from sources that do not use up natural resources or harm the environment. energy, free energy - (physics) a thermodynamic quantity equivalent to the capacity of a physical system to do work; the units of energy are joules or ergs; energy can take a wide variety of forms.