“There can no longer be genuine doubt that human-made gases are the dominant cause of observed warming,” said Hansen, director of NASA’s Goddard Institute for Space Studies at Columbia University’s Earth Institute. “This energy imbalance is the `smoking gun’ that we have been looking for.”
Most of the world - with the exception of the US and Australia - has signed up to the Kyoto protocol to limit greenhouse gas emissions and further global warming. The US government has repeatedly argued that scientific opinion about global warming is divided. With this new research, US government-funded scientists have once again told the US administration that they believe global warming is real, and inexorable.
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