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Saulo said the world needs to act quickly but she said there are powerful economic forces that keep that from happening.

Slow efforts to curb climate change “is not about diplomacy, I think it's about power and economy,” Saulo said during a break at the American Meteorological Society's meeting in Baltimore. “We are lagging behind our objectives because of our interests — economic interests — that are well beyond what our common sense, our diplomats and our scientists are pointing out.”

Last year former NASA top climate scientist saying the climate is not just getting warmer, but the rate of change is accelerating. A second study found ocean heat content, where much of Earth's trapped energy is stored, is rising at a faster rate than before. Other scientists disagreed, saying warming, stoked by an El Nino, is still occurring at the predicted rate.

Saulo said she sees the acceleration Hansen is talking about, especially based on research by some WMO science teams. She said what bothers her is not knowing what it means for the future.

“We are not there in terms of our scientific understanding of the implications of this acceleration. We don't fully understand how it is going to evolve,” Saulo said.

Saulo, who had been the head of Argentina's meteorological office, said what worries her most is what is happening at both poles as seas warm, ice melts and society adds more heat-trapping gases.

In another area of hot debate among scientists, Saulo said she sees in North America and Europe, often referred to as the polar vortex escaping its normal northern confines. What's happening is that the difference between winter temperatures in the Arctic and the mid-latitudes isn't as large as it used to be, which triggers changes in the jet stream more frequently, she said.

“There's this huge concern, particularly in the northern hemisphere because of the continental area is exposed and so many people are living there," Saulo said.

But what really is more important,

“Heat waves are the most killing of extreme events,” Saulo said, adding that the number of deaths are usually undercounted. Plus, heat waves have other side impacts on health, fires and air quality, she said.

She said lack of adequate monitoring and warning systems for flooding, storms, heat waves and droughts, especially in the global south, is another big problem.

“Fifty percent of our population currently does not have early warning systems in place,” Saulo said. “We need to protect them.”

Saulo is the first female WMO secretary-general, the first from the Americas and only the second one from the global south. That matters, she said, because “I bring my culture, my values and coming from the global south I think we have many things, many ideas to put on board. And I believe this is an opportunity to bring those new ideas. Not better, not worse, but different.”

With what seems like accelerated warming, more heat waves and other extremes such as floods, droughts and storms, being in charge of a global climate and weather agency can daunting, Saulo said.

“I am in a way overwhelmed, but I think we can do something,” Saulo said. “It's a mix of being overwhelmed, but also being optimistic that there is something we can do and I can do from my position to help our society better prepare for climate change.”

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