By Philip Pullella VATICAN CITY (Reuters) -Pope Francis on Thursday called on world leaders to heed the Earth’s “chorus of cries of anguish” stemming from climate change, extreme weather and loss of biodiversity. In a message for the World Day of Prayer for the Care of Creation, he urged nations to confront climate change with the same attention as global challenges like wars and health crises, saying global warming hurts poor and indigenous populations the most. Francis said rich countries have an “ecological debt” because it is they who have caused the most environmental pollution over the p…