<p>The bells are tolling 350 times, a number that refers to what many scientists consider a safe level of carbon dioxide in the air. </p>.<p>Denmark's Queen Margrethe and Prince Henrik attended an ecumenical celebration in the Church of Our Lady in Copenhagen on Sunday. <br />Shortly after the service, Denmark's churches rang their bells 350 times which was the central act of a worldwide international bell ringing initiative. <br /><br />The bell ringing symbolizes the 350 parts per million that mark the safe upper limit for carbon dioxide (CO2) in the atmosphere according to scientists. <br />State leaders from around the world are expected to attend the UN Climate Change Conference that is underway here presently. <br /><br />The National Council of Churches in Denmark says Christian churches across the globe are part of the campaign, from Fiji in the South Pacific to the US and Canada.<br /><br />An ecumenical service dedicated to climate change was held in Copenhagen's cathedral today, led by Archbishop of Canterbury Rowan Williams, spiritual leader of the world's 77 million Anglicans.<br /><br />Many scientists say 350 parts per million is the upper level of what is considered a safe concentration of CO2 in the atmosphere. </p>
<p>The bells are tolling 350 times, a number that refers to what many scientists consider a safe level of carbon dioxide in the air. </p>.<p>Denmark's Queen Margrethe and Prince Henrik attended an ecumenical celebration in the Church of Our Lady in Copenhagen on Sunday. <br />Shortly after the service, Denmark's churches rang their bells 350 times which was the central act of a worldwide international bell ringing initiative. <br /><br />The bell ringing symbolizes the 350 parts per million that mark the safe upper limit for carbon dioxide (CO2) in the atmosphere according to scientists. <br />State leaders from around the world are expected to attend the UN Climate Change Conference that is underway here presently. <br /><br />The National Council of Churches in Denmark says Christian churches across the globe are part of the campaign, from Fiji in the South Pacific to the US and Canada.<br /><br />An ecumenical service dedicated to climate change was held in Copenhagen's cathedral today, led by Archbishop of Canterbury Rowan Williams, spiritual leader of the world's 77 million Anglicans.<br /><br />Many scientists say 350 parts per million is the upper level of what is considered a safe concentration of CO2 in the atmosphere. </p>
