Can "Plant Blindness" be Cured?

When we think about it, we know that plants are essential to human life. They make up 99.7% of the biomass of the planet, and without them, we couldn't breathe or eat. And yet our everyday behavior does not give any indication that we have really understood this fundamental fact: without plants, we die! If plants are necessary for healthy, happy, and sustainable living, why do our actions keep destroying them?