Tideline.
Sunlight piercing the ocean surface as fish swim near a drifting net
A school project · SDG 14

Our ocean is in serious trouble.

Try the games, take the quiz, drag the sliders — and see for yourself what overfishing and pollution are doing to life under the sea.

Start exploring →Take the quiz
0%
of fish stocks overfished

UN FAO

0M t
of plastic in the sea each year

Pew Charitable Trusts

0%
of coral reefs already lost

Coral Reef Monitoring Network

0B
people rely on the ocean for food

UN SDG 14 report

Goal 14

Look after the oceans — before there's nothing left to look after.

SDG 14 is one of 17 goals the UN agreed on back in 2015. It has ten targets to protect life below water by 2030, like cutting pollution and stopping destructive fishing.

The ocean covers 71% of the planet. It makes about half the oxygen we breathe and soaks up around 30% of our carbon emissions. If the sea's in trouble, so are we.

Vibrant coral reef teeming with colorful fish

Two big problems. One ocean.

Industrial trawler hauling enormous net of fish
01 — Overfishing

We're running out of fish

Drag the slider and watch the fish vanish.

Try the simulator →
Plastic bottles drifting in polluted seawater
02 — Pollution

The ocean is full of plastic

Play our 20-second mini-game and clean it up.

Play the game →
Quiz time

How much do you actually know about the ocean?

Quiz · Question 1 of 4Score 0

How much of the ocean is currently overfished?

It's not too late to fix this.

What you eat, what you buy, what you stand up for — it all adds up.

See how to help
References

Sources & citations

Harvard referencing style (generated via MyBib). All figures on this page are drawn from the publications below.

  1. Food and Agriculture Organization of the United Nations (2024) The State of World Fisheries and Aquaculture 2024 — Blue Transformation in action. FAO, Rome. Available at: https://www.fao.org/publications/home/fao-flagship-publications/the-state-of-world-fisheries-and-aquaculture/en (Accessed: 15 June 2026).
  2. Global Coral Reef Monitoring Network (2021) Status of Coral Reefs of the World: 2020 Report. GCRMN / International Coral Reef Initiative. Available at: https://gcrmn.net/2020-report/ (Accessed: 15 June 2026).
  3. National Oceanic and Atmospheric Administration (2024) How much oxygen comes from the ocean?. NOAA National Ocean Service. Available at: https://oceanservice.noaa.gov/facts/ocean-oxygen.html (Accessed: 15 June 2026).
  4. Pew Charitable Trusts and SYSTEMIQ (2020) Breaking the Plastic Wave: A comprehensive assessment of pathways towards stopping ocean plastic pollution. The Pew Charitable Trusts. Available at: https://www.pewtrusts.org/en/research-and-analysis/articles/2020/07/23/breaking-the-plastic-wave-top-findings (Accessed: 15 June 2026).
  5. United Nations (2023) The Sustainable Development Goals Report 2023: Special Edition — Goal 14: Life Below Water. United Nations, New York. Available at: https://unstats.un.org/sdgs/report/2023/Goal-14/ (Accessed: 15 June 2026).