As of 2010, the warming ;effect of long-lived reenhouse gases in Earth's atmosphere has increased by more than 30% since 1990.

NOAA’s updated Annual Greenhouse Gas Index (AGGI), which measures the direct climate influence of many greenhouse gases such as carbon dioxide and methane, shows a continued steady upward trend tha

Carbon dioxide remains the undisputed king of recent climate change, but other greenhouse gases measurably contribute to the problem.

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