Almost half (43 percent) of UK investors would choose a “carbon neutral” share class version of a fund if it was available to them, according to research by Kana Earth, a UK nature carbon directory which lists over 1,700 carbon offsetting projects.

Of those, 50 percent would be prepared to pay up to 10 percent more in fees, and 13 percent said they would pay up to 25 percent more.

The survey, which was conducted by market research company Viewsbank and involved 1,078 British con...