Back in April of 2015, The Vatican held a one days summit on Climate Change where Jeffrey Sachs was the keynote speaker.
For Pope Francis, he has his own ‘green agenda’ and is quite outspoken in this global issue.
He has become an outspoken advocate on environmental issues, saying acting on climate change is “essential to faith”and calling the destruction of nature a modern sin. He has vowed to only increase pressure on world leaders after his disappointment with the Lima climate talks. He is hoping that his encyclical will influence the climate talks in Paris at the end of the year.