TerraPass has announced the first version of a feature through which customers buying carbon offsets can direct the company’s efforts to projects the customers like the most.The company believes this is an industry first.

TerraPass said its customers can click a “change my portfolio” link on the TerraPass website to mix and match in 1,000-pound increments the blend of clean energy, farm power and landfill gas capture that they want.

TerraPass, which has helped many companies offset their CO2 emissions, launched the Carbon Balanced Business Program in January to help businesses measure the carbon emissions of their daily operations.