BBC: Significantly warmer winters have played an important role in the ongoing decline in EU greenhouse gas emissions.
According to a new report, the use of CO2 and other gases across the bloc dropped by almost a quarter between 1990 and 2014.
A switch from coal to natural gas, the recession and the rise of renewable energy all contributed to the fall.
The latest figures, from 2014, show that a milder winter was the major factor in the reduction that year.
Overall from 1990 to 2014 emissions...