LibraryThe Blue PlanetOne card

A LITTLE SOMETHING WORTH KNOWING

A small discovery. Yours to pass on.

NatureOne small ahaOcean concept

This ocean feature, linked to rising carbon dioxide, threatens marine organisms that build shells.

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

Ocean Acidification: A gradual decrease in ocean pH linked to rising carbon dioxide levels. Source: Ocean acidification

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 The Blue Planet

A few more worth knowing.

  1. 19This ocean feature, beyond sunlight's reach, remains one of the least explored environments on Earth.RECALL
    The Deep Sea

    The deep sea, beyond sunlight's reach, remains one of the least explored environments on Earth.

    Open this card ↗
  2. 20These floating masses of freshwater ice break away from glaciers or ice shelves.RECALL
    Icebergs

    Icebergs break off glaciers into the sea, with only a small fraction of their mass visible above water.

    Open this card ↗
  3. 21Warming seawater's expansion and melting land ice are major drivers of this increase in the ocean's average height.RECALL
    Sea Level Rise

    Sea level rise is driven largely by melting ice and the thermal expansion of warming ocean water.

    Open this card ↗