Polar adventurer Geoff Green posed an ethical choice to an audience of more than 200 Toronto Catholic high school students.
ROME - Pride, greed and selfishness are destroying the planet just as they destroy human lives, said Cardinal Peter Turkson.
Time to tackle global warming running out, Pope tells climate summit
VATICAN CITY - Tackling the problem of climate change is a serious ethical and moral responsibility, Pope Francis told negotiators from around the world meeting for a climate summit in Lima, Peru.
Vatican official calls for shared responsibility in protecting planet
UNITED NATIONS - A sense of "shared responsibility to protect our planet and the human family" must influence how nations react to the reality of climate change, the Vatican's secretary of state told the United Nations Sept. 23.