New target calls for the cutting of greenhouse gas emissions by 2030 to between 26 and 28 percent below 2005 levels.
The 'Clean Power Plan', which is already facing pushback from leading Republicans, proposes reducing carbon pollution from American power plants to 32 percent below 2005 levels by 2030.
More detail: EPA summary of the Clean Power Plan
That is the finding of the National Oceanic and Atmospheric Administration, which says in its global analysis for June that temperatures were 0.88°C above the 20th century average of 15.5°C.
The July 2014-June 2015 period was found to be the warmest 12 month period on record.
Useful Resource: NOAA's Global Analysis for June 2015