Section: Reading

134) View Additional Information

Ice cores drawn from Greenland, Antarctica, and tropical mountain glaciers show:

1. That the Earth’s climate responds to changes in greenhouse gas levels.
2. That the Earth’s climate does not respond to changes in greenhouse gas levels.
3. That the Earth's climate is unrelated to greenhouse gases.
4. That the Earth's climate can only be saved if traditional manufacturing gets its act together.

Explained at the start of paragraph five.