a desert environment usually has a lot of sunlight & sunlight is a kind of solar energy ->  a desert environment usually has a lot of solar energy  a desert environment usually has a lot of solar energy & if an environment has something then that something can be found in that environment ->  a lot of solar energy can be found in a desert environment  solar energy is a kind of resource & if there is a lot of a resource found in an environemnt then that resource is a common resource in that environment ->  if there is a lot of solar energy found in an environment then solar energy is a common resource in that environment  a lot of solar energy can be found in a desert environment & if there is a lot of solar energy found in an environment then solar energy is a common resource in that environment ->  solar energy is a common resource found in desert environments  solar energy is a common resource found in desert environments & solar energy is a renewable / inexhaustible resource -> solar energy is a common renewable resource found in desert environments