In fact some researchers estimate that we now spend up to 90% of our lives indoors.
For the vast majority of human history, the outside was always part of the inside, and at no moment during our day were we ever really separated from nature.
Not only that but we're less connected to nature and feel less responsibility to protect it...
Researchers believe that if we feel a part of nature and are more connected to it, we will feel a responsibility to care for nature and protect it.
Scientist Stephen Jay Gould said:
"We cannot win this battle to save species and environments without forging an emotional bond between ourselves and nature as well - for we will not fight to save what we do not love."