Over the last decade the world has awakened to the terrible reality of climate change.

For me personally, it’s an existential assault on my faith in God’s protection: “As it was in the beginning, is now, and ever shall be, world without end.”

Individually and collectively we’re not doing a good enough job of cutting the greenhouse gas emissions that cause climate change. 

Pope Francis recently mused that perhaps “ecological sin against the common home” should be added to the catechism.

If we were facing space aliens attacking our planet this way, it’s likely that humanity would join together and successfully fight them. Unfortunately, the problem arises in our own nature.

As Pope John Paul said, “The most profound and serious indication of the moral implications underlying the ecological problem is the lack of respect for life evident in many of the patterns of environmental pollution.”

Pope Benedict XVI, “the green pope,” asked, “How can we separate, or even set at odds, the protection of the environment and the protection of human life, including the life of the unborn?”

In “Caritas in Veritate,” he wrote, “The way humanity treats the environment influences the way it treats itself, and vice versa.”

Technology could save us if we had the will to implement all the clean, green energy sources available to us. That wasn’t true a decade ago, and we can be grateful for science’s progress.

We simply need the political will to make big structural changes — life-saving investments in the future.

And, as piddling as they may seem, we can also make individual changes: driving less, eating less meat, using less plastic, not buying Teflon-coated products, and making our concern known to business and political leaders.

Our children and grandchildren are counting on us to act.