Obama said the US recognises role in the problem, embraces responsibility to do something about it.
Turkey PM Davutoglu added that "we hope Russia will reconsider these measures in both our interests", referring to the sanctions that Moscow imposed after the shooting down of the jet last week.
It was the first time this year that authorities have raised the orange alert, second only to red, which means heavy smog is forecast for three days.
Alexis Tsipras said the two countries should focus on saving refugees, not on weapons.
The total amount of money being committed by these 20 countries – under Mission Innovation -- amount to USD 20 billion.
The last time that the nations of the world struck a binding agreement to fight global warming was 1997, in Kyoto, Japan.
Obama arrived in Paris on Sunday night amidst an unprecedented security, in the aftermath of the terrorist attack early this month.
At least 414 aftershocks have hit Nepal since April 25 devastating earthquake.
President Barack Obama strode purposefully toward the shuttered French concert hall where terrorists wrought so much horror two weeks ago.
Berlin on Thursday offered France Tornado reconnaissance jets, a naval frigate, aerial refuelling and satellite images in the fight against the IS group.
The gathering of nearly 150 heads of state and government is set to be far bigger than the 115 or so who came to Copenhagen in 2009, the last time the world came close to agreeing a long term deal on climate change.
Iran has always denied seeking to develop an atomic weapons capability, insisting its nuclear programme is for peaceful energy production and medical purposes only.
The body of a Russian pilot killed when his plane was shot down by Turkey last week will be handed over to a Russian representative after being retrieved from Syria, Turkish Prime Minister Ahmet Davutoglu said on Sunday.
ISIS chief Sheikh Abu Muhammad al-Adnani, a Syrian preacher, will be at the top of Britain's so-called "kill list" when the strikes are launched, The Sunday Times reported.
Ban said that the climate agreement must strike a balance between the leadership role of developed countries and the increasing responsibility of developing countries.
The Singaporean government has allowed Indian students to take their own mother tongue (Urdu, Bengali, Gujarati, Hindi and Punjabi) as second language.
The attack came eight days after Islamic extremists attacked a luxury hotel further south in the capital, Bamako, in which 20 people were killed.
The suicide bombers were Nigerians who came to Cameroon as refugees. Cameroon has expelled thousands of refugees.
Today, the Marxist editor is at the centre of another controversy involving the establishment after resigning as editor of the Lahore-based English language newspaper Daily Times.
17 days after terror attacks, world leaders will flock to French capital in bid to seal emission deal
The decree published on the Kremlin's website Saturday follows the downing this week by Turkey of a Russian warplane.
Under the three-month state of emergency, public demonstrations have been banned, police have greater powers of search and surveillance while border checks have been boosted.
Obama said it was particularly sad that one day after a holiday -- Thanksgiving -- Americans have to comfort families who suddenly lost loves ones to gun violence.
Brussels shut down its subways and schools while the govt asked people to stay away from public places as there might be Paris-style attack again.
The highest number of security personnel were killed and injured in Federally Administered Tribal Areas (Fata), where 1,487 personnel laid down their lives and 2,224 sustained injuries.
Citing intelligence, the Punjab Home Department alerted police and other agencies in the province that the ISIS has planned attacks on civil and military targets.
"We're glad we're finally back to supersonic age," Defense Secretary Voltaire Gazmin said.
At a high-profile summit in Brussels Sunday, Europe's leaders will offer Turkey 3 billion euros ($3.2 billion), an easing of visa restrictions and the fast-tracking of its EU membership process.
"I'll say it again, Europe cannot accept all the refugees coming from Syria. That's why we need a diplomatic, military and political solution in Syria," Valls said last evening.
Tima Kurdi said Friday that Canada has approved her application to bring her brother Mohammed and his family to Canada, but that security checks are still underway.
Police watched on as about 500 people yesterday demanded they be refunded the money they had forked out for the air tickets.
Pope Francis will pray today at shrines dedicated to the 23 Anglican and 22 Catholic martyrs who were killed between 1885 and 1887.
The Colorado Springs clinic has been the target of repeated protests, and in recent years moved to its current location, which has been derided as a "fortress" by abortion foes.
A suicide bomber hit a procession of Shiite Muslims in Nigeria's Kano state
A sixth suspect with terrorism offences in connection with the Paris attacks has been charged.
Falciani, who worked as an IT specialist with HSBC, was convicted of industrial espionage by a federal court in the southern Swiss town of Bellinzona.