David Cameron insists that despite concerns from other members of his party "now is not the right time to leave Britain".
When questioned on the BBC's Andrew Marr Show, the Prime Minister said that "fifty percent of Britain's trade currently happens with Europe" and so it was very important that "Britain retains it's seat at the table".
Mr Cameron said that despite Britain's trade agreements, as long as he stayed Prime Minister the country would not convert its currency to the Euro.
More top news
The island of Kivalina in Alaska is quickly disappearing into the ocean, watched by its 400 residents, due to climate change.
German Chancellor Angela Merkel has called on fellow European nations to share the burden of the influx of migrants.
Satellite images have revealed the extent of the damage to the ancient Temple of Bel in Syria's Palmyra city by Islamic State jihadists.