Scientists believe that Pope Francis' call can inspire people to take action in  addressing  global warming—a "mostly" man-made global phenomena according to the Pope. 

The encyclical or a teaching letter that will be coming from the Pope is expected to encourage the people to take action against climate change, according to USA Today.

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"The encyclical is going to go out to over 1 billion Catholics—that's a way of getting a message across to a segment of society that the scientific community could never do," National Center for Atmospheric Research's Jeff Kiehl said.

Another scientist opined that the Pope's words would surely have greater impact to the public than certain gatherings of sicence professionals, such as the Paris negotiations.

"The pope's encyclical is probably going to have a bigger impact than the Paris negotiations," Gavin Schmidt, NASA climatologist said.

The 21st United Nations conference on climate change, which will be held in Paris on December, aims negotiate about limiting greenhouse gas emission and the anticipated encyclical is Vatican's way of showing support in tackling environmental issues, Time has learned.

Meanwhile, environmentalists are hoping that the papal message will influence Catholics all over the globe to pressure officials in addressing climate change and environmental issues by adopting global policies that will help mitigate global warming.

Pope Francis, who is an advocate of saving the environment, met with United Nations delegates in May 2014 at the Vatican, The New York Times reports.

A symposium was held, and scientists, theologians, economists and others were asked to participate in a discussion about climate change and the repercussions of environmental damage to the society. 

Crops destroyed, water rising above sea level, more intense heat waves—these are just some of the environmental effects caused by climate change that were discussed in the symposium.

These facts have been presented and ignored so many times by the government and the general public. That's why Katharine Hayhoe, a climate scientist in Texas Tech University, believes that the message from The Pope will make a huge difference. 

"We have to appeal to people based on values," Hayhoe said. "Not just on data and facts."

"And for me as a scientist to say that is very unusual," she continued. "So from that perspective the pope is a very effective messenger." 

Tagsglobal warming, Pope Francis, Catholics