Featureless gray-brown haze is so dense that much of eastern China is hidden in this photo-like image acquired on February 20, 2011. Reducing the emissions that cause such haze could cut global warming in half over the next 40 years.
Published Feb 22, 2011
Acquired February 17, 2011, this natural-color image shows heavy haze over eastern China.
Published Feb 18, 2011
