Officials in Germany defended the plans to allow some divorced and remarried Catholics to receive Communion, saying they have the pope's endorsement.
Climate change represents an "ethical challenge to civilization," said the Vatican's lead representative to an international conference discussing the worldwide impact of climate change.
Archbishop Celestino Migliore told attendees at a church-run conference that the Vatican would help "form consciences and ethical perspectives" on climate change in line with Catholic social teaching and encourage "fairness, impartiality and mutual responsibility" when it came to action to address the environmental threat.
As government delegates began debating climate change in Warsaw Monday, Catholic representatives have worked to ensure the church's voice is heard.
The Conference of the Parties, running until Nov. 22, will review progress since the 1997 Kyoto Protocol, which committed industrialized countries to reduce greenhouse gas emissions.
Catholic organizations are present in the Polish capital, too, lobbying for action through parallel discussions.
A Polish archbishop has cautioned that Halloween celebrations violate church teaching and urged Catholics not to take part "even in playful form."
Poland's Catholic bishops apologized for sexual abuse of children by priests and defended the Polish church's record on tackling abuse.
A priest who died of cold and hunger in a communist prison will be beatified as a martyr in Romania.
The sanctity of Msgr. Vladimir Ghika has "given us an important new example of a life lived for church and faith," said Archbishop Ioan Robu of Bucharest, president of the Romanian bishops' conference.
Cardinal Angelo Amato, prefect of the Vatican's Congregation for Saints' Causes, was scheduled to celebrate the Aug. 31 beatification Mass in Bucharest's Romexpo exhibition center.
Fr. Wojciech Lemanski's dismissal highlights tensions in Europe's most disciplined and inscrutable Catholic establishment.
Some have detected a sense of drift in Poland since John Paul's death. Secularization and human misjudgments have played a part.