WASHINGTON ( CNN ) -- President Obama reached out to citizens of the world Tuesday , saying in an op-ed piece that ran in 31 newspapers around the globe that there is an urgent need for worldwide economic cooperation . President Obama will discuss the economic downturn with other world leaders next week at the Group of 20 meeting . Obama 's move comes ahead of next week 's Group of 20 meeting in London , England , in which leaders of the world 's richest nations will discuss the global economic downturn . `` My message is clear , '' Obama wrote . `` The United States is ready to lead , and we call upon our partners to join us with a sense of urgency and common purpose . Much good work has been done , but much more remains . '' The president is scheduled to hold his second prime-time news conference at 8 p.m . ET Tuesday . In the op-ed , Obama spoke about the upcoming G-20 meeting , saying that world leaders have to work together . Watch as the White House press secretary outlines Obama 's economic strategy » . `` We are living through a time of global economic challenges that can not be met by half measures or the isolated efforts of any nation , '' Obama said . `` Now , the leaders of the Group of 20 have a responsibility to take bold , comprehensive and coordinated action that not only jump-starts recovery , but also launches a new era of economic engagement to prevent a crisis like this from ever happening again . '' The president also pointed out that although the United States is separated by two oceans from most of the rest of the world , a global economy renders those geographic distinctions moot . `` Once and for all , we have learned that the success of the American economy is inextricably linked to the global economy , '' Obama said . `` There is no line between action that restores growth within our borders and action that supports it beyond . '' Next week 's G-20 summit will be Obama 's first meeting as president with many of the world 's leaders . He will meet many of the Western Hemisphere 's leaders at the Fifth Summit of the Americas next month in Trinidad and Tobago .
President Obama urges nations to work together ahead of Group of 20 meeting . Obama 's op-ed piece runs in 31 newspapers worldwide . President set to hold prime-time news conference Tuesday night . Obama : U.S. economy 's success is `` inextricably linked to the global economy ''