A man with his son holding a banner reading 'I love the earth' as they march with local and international activists to demand urgent action to address climate change at the U.N. climate

 

              A man with his son holding a banner reading
A man with his son holding a banner reading 'I love the earth' as they march with local and international activists to demand urgent action to address climate change at the U.N. climate talks in Doha, Qatar, Saturday , Dec. 1, 2012. (AP Photo/Osama Faisal)