Farmers plough to plant corn on dried basin of the Red River in Hanoi

 
Farmers plough to plant corn on dried basin of the Red River in Hanoi
Farmers plough to plant corn on a dried basin of the Red River in Hanoi December 6, 2011. Scientists say existing pledges to cut greenhouse gas emissions by 2020 are too weak to stem dangerous climate changes including more droughts, floods and rising seas. They say the existing pledges will fail to limit global warming to 2 degrees Celsius, a commonly used safety threshold for dangerous change. REUTERS/Kham (VIETNAM - Tags: ENVIRONMENT SOCIETY)