Pacific Ocean weather patterns are changing — and multi-year El Nino and La Nina may become more common
Volcanic eruptions induce El Nino conditions, finds research
2013 set to be one of 10 warmest years: global Met agency
Statement released at ongoing Warsaw climate talks says January to September months were warmer despite absence of El Nino or La Nina events
2001-2010: Warmest decade on record
Climate change is happening now and is not some distant future event: World Meteorological Organization general secretary
In Short