phrase1: green thing
phrase2: environmentally friendly task
sentence1: in 2007, hobsbawm co-founded do the green thing, a social networking site for encouraging people to lead greener lives, with naresh ramchandani.
sentence2: in 2007, hobsbawm co-founded do the environmentally friendly task, a social networking site for encouraging people to lead greener lives, with naresh ramchandani.