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Chrysaora melanaster is a jellyfish found in the Arctic.
overview

Jellyfish and Comb Jellies

Jellyfish and comb jellies are gelatinous animals that drift through the ocean's...
April 2018
Swimmers brave the waters in the shadow of a coal-fired power plant.  Coal plants like this one emit CO2 into our atmosphere which is warming the planet and altering the chemistry of the ocean.
overview

Climate Change

Today, carbon dioxide (CO2) levels in our atmosphere are the highest they've been...
April 2018
On average, Arctic sea ice has decreased by four percent per decade since the late 1970s.
overview

Sea Level Rise

The ocean never stops moving. When you visit the beach, waves roll in and recede...
April 2018
Fish swim in Cabo Pulmo Marine Reserve off the Baja California peninsula.
overview

How Laws Around the World Help Improve Ocean Health

Solving environmental problems often starts with small groups of people working to...
April 2018
A shell placed in seawater with increased acidity slowly dissolves over 45 days.
overview

Ocean Acidification

Ocean acidification is sometimes called “climate change’s equally evil twin,”...
April 2018
Two nurse sharks hover over a baited cage
Lesson Plan

Consequences of Arctic Climate Change

In this activity, students will be able to identify and explain at least three...
Mon, 08/08/2011 - 16:44
/themes/custom/a_clean_ocean
Two nurse sharks hover over a baited cage
Lesson Plan

Burp Under the Ice

In this activity, students will be able to identify the natural processes that...
Mon, 08/08/2011 - 16:38
/themes/custom/a_clean_ocean
Two nurse sharks hover over a baited cage
Lesson Plan

Where Have All the Glaciers Gone?

Students will describe how climate change is affecting sea ice, vegetation, and...
Mon, 08/08/2011 - 16:33
/themes/custom/a_clean_ocean
Two nurse sharks hover over a baited cage
Lesson Plan

Secrets of the Sediments

In this activity, students graph and analyze data from sediments collected off the...
Mon, 03/15/2010 - 15:06
/themes/custom/a_clean_ocean
Two nurse sharks hover over a baited cage
Lesson Plan

Off Base

Students define terms pH and buffer. Students explain in general terms the...
Tue, 12/01/2009 - 12:21
/themes/custom/a_clean_ocean
Two nurse sharks hover over a baited cage
Lesson Plan

Frozen Out

Students explain the concepts of indicator species and microhabitats. Students...
Tue, 12/01/2009 - 12:12
/themes/custom/a_clean_ocean
Two nurse sharks hover over a baited cage
Lesson Plan

Animals of the Fire Ice

Students define and describe methane hydrate ice worms and hydrate shrimp. Students...
Tue, 12/01/2009 - 12:06
/themes/custom/a_clean_ocean

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  • Ocean Life
    • Marine Mammals
    • Sharks & Rays
    • Reptiles
    • Seabirds
    • Fish
    • Invertebrates
    • Plankton
    • Plants & Algae
    • Microbes
  • Ecosystems
    • Coral Reefs
    • Deep Sea
    • Coasts & Shallow Water
    • Poles
    • Census of Marine Life
  • Planet Ocean
    • Tides & Currents
    • Waves, Storms & Tsunamis
    • The Seafloor
    • Temperature & Chemistry
  • Through Time
    • Ancient Seas
    • Extinctions
    • Evolution
    • The Anthropocene
  • Conservation
    • Fishing
    • Pollution
    • Habitat Destruction
    • Invasive Species
    • Acidification
    • Climate Change
    • Gulf Oil Spill
    • Solutions & Success Stories
    • Get Involved
  • Human Connections
    • Books, Film & The Arts
    • Recreation
    • Seafood
    • Exploration
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