LONDON (AlertNet)- Quakes, volcanic eruptions, giant landslides and tsunamis may become more frequent as global warming changes the earth's crust itself, scientists warned on Wednesday. Climate-linked geological changes could also trigger "methane burps" - the release of a potent greenhouse gas, currently stored in solid form under melting permafrost and the seabed, in quantities greater than all the carbon dioxide in our air today.
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