Guardian: Solar panels will be installed on the White House roof a quarter of a century after they were removed by Ronald Reagan, the Obama administration said today. A mix of solar thermal and photovoltaic panels will be fitted in spring 2011 to generate hot water and renewable electricity, said Nancy Sutley, chair of the Council on Environmental Quality, and energy secretary Steven Chu at a conference on how federal government can green up. It will be the first time since 1986 that …