Positive Ventures, a Sao Paulo-based venture firm, has secured $10 million for its latest fund. Positive Ventures has raised the capital from an impressive list of LPs including investor Luis Stuhlberger, founding partner of Verde Asset Management and Teresa and Cândido Bracher, who was the chairman of Itaú-Unibanco, Brazil’s largest bank. The Brazilian venture firm’s self-described mission is to “invest in startups where every dollar of revenue is also delivering environmental or social impact.” I spoke with co-founder and co-CEO Fabio Kestenbaum who emphasized the importance of such an investment…