El Nino
'Perfect storm' of El Niño and warming boosted Alberta fires
El Niño and ongoing climate change have both contributed to the devastating Alberta wildfires according to experts.
Freak heatwave pushes temperatures at North Pole above freezing
Temperatures at the North Pole rises above freezing point, 20 degrees Celsius above the mid-winter norm and the latest abnormality in a season of extreme weather events.
El Nino weather 'could be as bad as 1998'
The US space agency Nasa has warned that the effects of the current El Nino weather phenomenon could be as bad as those of 1998, the strongest on record.
South America flood ‘worst in 50 years’
Vast areas in Paraguay, Argentina, Uruguay and Brazil is being hit by the worst flooding in 50 years, forcing the evacuation of more than 150,000 people.
2015 likely to be warmest on record
Temperatures across the globe are likely to break records in 2015 with readings running "well above" any previous year, scientists say.
World’s corals threatened by bleaching
Corals worldwide are at risk from a major episode of bleaching which turns reefs white, scientists have confirmed.