As humans, we have always been dependent on our environments to nurture and sustain us. We rise with the sun, we eat off the land, we make shelter of stones and trees. We need water, air, and light to survive. We need good water, good air and good light to thrive.

We build structures to protect ourselves – from nature and other forces. And we spend increasing amounts of time in these structures, living more than 90% of our lives indoors. Our buildings are designed to keep us safe, to protect us from the elements. But many of the places where we spend our time also get in the way of our health, putting one degree of separation between us and that which has always kept us alive.

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