A shadow hangs over El Rosario where each year millions of monarch butterflies alight on the reserve's fir trees. Two local protectors of Mexico's monarch preserve have been killed, and so far, no one can say what happened to them.

Last November, 85.8 percent of voting students—2,438 in total—supported a nonbinding referendum that urged university trustees to sell off the then-10.6 percent of the university endowment that was invested in fossil fuel corporations by 2025.

The project is poised to utilize the energy of young Catholics, many of whom are deeply concerned about the threats that climate change poses to the planet and, by extension, to human dignity.

The apostolic exhortation “Querida Amazonia,” conveys the suffering of the Amazon and its people in stark terms, writes Vincent J. Miller. We must not be distracted from its message.

The document will delight some and disappoint others.

These days, we frequently read headlines and wonder if it is already too late.