Global Emissions Falling But Not Fast Enough, Says UN

The international community is making “good progress” and moving in the “right direction” in terms of reducing greenhouse gas emissions, “but it is not enough,” the U.N. said.

In this picture taken on May 28, 2012, workers preparing to shield the young trees at a nursery on the southern fringe of the Taxkorgan desert, in the northern foot of the Karakorgan range, near Hetian, an oasis lying in the Tarim Basin in China's farwest Xinjiang region. Population pressure, drought and climate change have made China the world's biggest victim of desertification and it could take 300 years to reclaim just one-fifth of desert land due to climate change. STR/AFP/GettyImages