Scientists have started to see some of the expected effects of Earth's increasing carbon dioxide burden: The shells of microscopic animals in the ocean are becoming thinner thanks to the ocean's absorption of some of that excess carbon dioxide, a new study shows.
The shells of those creatures studies are about one-third lighter.
As carbon dioxide from the burning of fossil fuels has accumulated in the atmosphere, some of it has been absorbed by the ocean. As the gas dissolves in the water, it forms a week acid (the same kind that's in bubbly soft drinks), causing the ocean itself to become gradually more acidic.
Read the rest at LiveScience.
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