I took this photo of a bird's nest last spring after it had been blown from a tree during a storm. Blue threads woven into the nest were apparently gathered from a nearby disintegrating vinyl boat cover. ~ Ugo, Koloist editor

On this Earth Day more than ever, we recognize that our planet is fragile. We can all be better stewards of nature by learning simple ways to reduce our carbon footprint -- to do so, go here.

For sobering inspiration, check out this beautiful Time Magazine photo essay, This Fragile Earth, honoring "Heroes of the Environment" here.