Rising acidity is eating away the shells of tiny snails, known as "sea butterflies", that live in the seas around Antarctica, leaving them vulnerable to predators and disease.
Eurozone finance ministers meet in Brussels Monday for the third time in two weeks for talks on unlocking the next slice of aid to debt-crippled Greece, which is in danger of running out of money.
More than 800 homes in England and Wales have been flooded as heavy rain and strong winds battered the country and environmental officials warned of more downpours to come on Monday.
Britain would be moving in the opposite direction to many countries if it introduced tougher regulation of the media, Mayor of London Boris Johnson has said during a visit to India.
The Australian government on Monday made a parliamentary apology to victims of abuse in the military and set up a compensation fund after hundreds of claims of rape and sexual assault.
US shoppers spent heavily online on the crucial Black Friday shopping day, for the first time topping a billion dollars in online sales in a single day.
Thai police fired tear gas and detained dozens of people as tensions flared at an anti-government protest Saturday in Bangkok, the scene of several outbreaks of violent unrest in recent years.
An explosion thought to have been triggered by a gas leak leveled a bar in downtown Springfield, Massachusetts on Friday, moments after dancers were warned to flee.
Ex-president Nicolas Sarkozy has told judges he received no money from France's richest woman, Liliane Bettencourt, amid allegations that his 2007 election campaign was illegally financed.
Israel restricted Palestinian access to Jerusalem's Al-Aqsa mosque compound and kept a tight grip on security as a first fatality tested a hard-won truce ending fighting in and around Gaza.
Nearly 200 nations gather in Doha from Monday for a new round of climate talks as a rush of reports warn extreme weather events like superstorm Sandy may become commonplace if mitigation efforts fail.
Asia may be driving growth in the world economy but a Japanese businesswoman behind an innovative new school believes the region is over-reliant on Western-style leadership.
US actor Larry Hagman, who became famous for his role of J.R. Ewing in the US television show "Dallas," has died at the age of 81 after losing a battle with cancer.