Major cooling factor globally in 2011 was La Nina. At the same time, the NOAA report identified "human fingerprints" in more than two dozen climate indicators.
Amazing satellite imagery of harmless twin storms hurricanes Daniel and Emilia in the Eastern Pacific. They stayed away from land. Nice just to enjoy their beauty.
Photos shows the wildfire smoke sucked into an area of strong convection at the center of the thunderstorm, at speeds that can reach 100 miles (160 kilometers) per hour.
Astonishing video and images of a violent US storm called a derecho that left Washington DC and parts of the surrounding region in a state of emergency yesterday.