Business The green revolution needs money. Here is how to fund it Updated : May 30, 2019 08:36 AM IST There's no chance for green projects to reach fruition without getting the money aspects properly worked out. Given the fact that the payback period for green projects is pretty long-drawn, financial institutions are wary of making a commitment for the future. For sustainable and green projects to be successful and broad-based, we need the inflow of capital from the private sector.