Jessica Jackley, co-founder of nonprofit microlending platform Kiva, has become a general partner at SparkLabs Global Ventures. Jackley was previously a venture partner at the firm, which focuses on seed-stage investments in the United States, Asia and Europe. Jackley is also the chief impact officer at Aspiration, an online financial services firm that lets customers open bank accounts that give them a “sustainability score” based on the environmental impact of the companies they spend money at, and invest in fossil fuel-free funds. In an email, Jackley told TechCrunch that she…