Afghan boys collect recyclable items on World Environment Day

A Pakistani boy searches for recyclable items from a garbage dump on the eve of World Environment Day in northwest Pakistan’s Peshawar, June 4, 2013. The World Environment Day that falls on June 5 is celebrated by the United Nations to stimulate worldwide awareness of environmental issues and encourages political action. <Xinhua/NEWSis/Umar Qayyum>

Afghan refugee children collect items of use from a pile of garbage on the outskirts of Islamabad, Pakistan, Tuesday, June 4, 2013. Pakistan hosts over 1.6 million registered Afghans, the largest and most protracted refugee population in the world, according to the U.N. refugee agency. <AP Photo/NEWSis/Muhammed Muheisen>