Maybe it's not us: http://www.nasa.gov/centers/goddard/news/topstory/2003/0313irradiance.htm l
http://tinyurl.com/qwwo7 "NASA STUDY FINDS INCREASING SOLAR TREND THAT CAN CHANGE CLIMATESince the late 1970s, the amount of solar radiation the sun emits, during times of quiet sunspot activity, has increased by nearly .05 percent per decade, according to a NASA funded study."
