Climate activists have balked at the fact that a leading oil producer, the United Arab Emirates, is hosting this yearâs U.N. climate talks. But Emirati officials say they, too, are grappling with hard questions.Climate activists have balked at the fact that a leading oil producer, the United Arab Emirates, is hosting this yearâs U.N. climate talks. But Emirati officials say they, too, are grappling with hard questions.