By Sarah Butler-Sloss, Ashden Founder Director
The Ashden blog
Sarah Butler-Sloss, Ashden Founder Director
By Simon Brammer, Ashden UK Programmes Manager
If I asked you to give me £100 and guaranteed to give you £400 back six months later, would you accept my offer? This is the kind of return on investment that LED light bulbs offer. So why aren't more people switching to low-energy bulbs?