SAO PAULO (AP) — Brazil’s Environment Minister Marina Silva, a globally recognized climate leader, said she was stepping down Wednesday from her role in President Luiz Inácio Lula da Silva’s administration to run for Congress later this year. Under Brazilian election law, ministers must leave office six months ahead the Oct. 4 national election. Silva will be succeeded by João Paulo Ribeiro Capobianco, an environmentalist who has been serving as executive secretary at the Ministry of the