Blue and Green: If its too good to be true, it probably is. Many people seem to forget this maxim when investing. In recent years, there has been a spate of unregulated green investment schemes. These guarantee returns of 13% per annum or more, and claim to save the planet, but how true is this? Most tree investment schemes involve investing in newly-planted trees in the tropics. In return for handing over a large sum of money, you get the right to sell the thinnings and mature timber, with maintenance costs...