The British Meteorological Office has predicted that 2007 will be the world’s warmest year on record. The United Nations’ weather agency also reports the world’s 10 warmest years have occurred since 1994.

While a resurgent El Niño is deemed to be the main cause of the higher temps, many say increasing greenhouse gases and carbon emissions are in part responsible for global warming.

Let’s look at what some of the experts have to say.

Laurie David

Global warming activist, founder of stopglobalwarming.org and a producer of the film An Inconvenient Truth

“This is not about politics; it’s about ethics,” David says. “It is against every value we all hold near and dear to know we are altering life, wrecking havoc on our climate system and weather patterns—and continue to do nothing about it.”

James Russell, PhD

Assistant professor of geological sciences at Brown University

“There is no longer any reason to doubt that human activities have elevated global temperatures. Temperatures have been getting warmer and warmer over the last decade in the absence of significant El Niño events, and there is abundant evidence, supported by theory, indicating that El Niño events increase global average temperatures.

“So, it is not surprising that 2007 is predicted to be very warm. The bigger issue is what can and should be done to curb global warming, as well as identifying and investigating hidden menaces in our climate system. For instance, 2007 could highlight questions surrounding the extent to which global warming could influence the frequency and intensity of El Niño events—a significant gap in our understanding of human impacts on global climate.”

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