Ocean Acidification: The Hidden Consequence of Climate Change
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Questions and Answers

What is ocean acidification also known as?

climate change's equally evil twin

What percentage of released carbon dioxide does not stay in the air but instead dissolves into the ocean?

at least one-quarter

What happens to the ocean's pH when carbon dioxide dissolves in seawater?

it drops

How much has ocean water become more acidic in the past 200 years?

<p>30 percent</p> Signup and view all the answers

Why did scientists initially think that the ocean's absorption of CO2 might be beneficial?

<p>because it left less carbon dioxide in the air to warm the planet</p> Signup and view all the answers

What did scientists initially assume would keep the ocean's pH stable?

<p>that rivers carried enough dissolved chemicals from rocks to the ocean</p> Signup and view all the answers

What is the term used by scientists to describe the stabilizing effect of the ocean's natural ability to regulate its pH level?

<p>buffering</p> Signup and view all the answers

What is the consequence of the rapid change in ocean chemistry for marine life that evolved in a stable pH environment?

<p>They have little time to adapt</p> Signup and view all the answers

What is the effect of ocean acidification on the shells of some marine animals?

<p>They are already dissolving in the more acidic seawater</p> Signup and view all the answers

What is the anticipated impact of ocean acidification on ocean ecosystems?

<p>Dramatic and mostly negative impacts</p> Signup and view all the answers

What is the consequence of ocean acidification for food security, tourism, and other sea-related economies?

<p>Threatening food security for millions of people and affecting tourism and other sea-related economies</p> Signup and view all the answers

What happens to carbonate ions when carbon dioxide dissolves in seawater?

<p>They are bound up and become less abundant</p> Signup and view all the answers

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