The issue focused on climate change and scientific studies such as one published last week by scientists from NASA and NASA's Goddard Institute for Space Studies that concluded climate change had affected agriculture and agriculture systems worldwide.

Despite scientific studies suggesting climate change could harm agriculture in various ways, Pope Francis issued a warning last week against scientific studies which link climate change to agriculture. (Credit: NASA/GSFC/Jeff Schmaltz/Julio Cortez/Scientific American)

While Francis spoke about climate change on