LibraryGreen WorldOne card

A LITTLE SOMETHING WORTH KNOWING

A small discovery. Yours to pass on.

NatureOne small ahaPlant

This plant, the tallest tree species on Earth, can grow taller than a 30-story building.

Think it. Then flip it.
ahamoraTap to reveal
Back to the cue
NatureOne small aha
Your new ahaCoast Redwood

Coast Redwood — category: Tree. Source: Sequoia sempervirens

ahamoraReference ↗

Keep the thread going

One answer is a beginning.

Share a little curiosity, or follow it into the full collection.

Flip the full deck →

More from Green World

A few more worth knowing.

  1. 05Acorns are the fruits of this tree genus, Quercus.IDENTIFY
    Oak Tree

    Oak trees produce acorns and can live for many centuries, among the longest-lived trees.

    Open this card ↗
  2. 06These large brown algae form underwater forests in many cool coastal waters.RECALL
    Kelp

    Kelp forms dense underwater forests, with some species growing over half a meter in a single day.

    Open this card ↗
  3. 07This salt-tolerant coastal tree often has exposed roots that help stabilize tidal shorelines.IDENTIFY
    Mangrove

    Mangroves grow in coastal saltwater and use tangled roots to help protect shorelines from erosion.

    Open this card ↗