Rinse black rice, color will bleed a little, which is normal.
In a medium saucepan, bring 2 cups of salted water to a boil. Add rice, cover and simmer for 35-40 minutes or until rice is tender. Remove from saucepan and allow to cool.
Meanwhile, steam green beans until tender-crisp and cool.
Whisk together lemon juice, agave, olive oil, vinegar, salt and pepper.
In a large bowl, mix together cooled rice, green beans, tomatoes, edamame, pecans and tomatoes.