(TrendHunter.com) In an effort to help consumers make more sustainable choices when dining out, sweetgreen has expanded its Low Carbon Collection to include new menu items like Guacamole Greens and the Crispy Rice... (TrendHunter.com) In an effort to help consumers make more sustainable choices when dining out, sweetgreen has expanded its Low Carbon Collection to include new menu items like Guacamole Greens and the Crispy Rice...