Expect ISIS and Ebola to be major topics at this week 's General Assembly special debate . Never before has a health issue prompted U.N. emergency sessions and a fast-paced , urgent response to slow Ebola 's spread that still requires more money , doctors and anti-Ebola supplies . Climate change is set to be the top focus on Tuesday . Comment: Leonardo DiCaprio , a U.N. messenger of peace , plans to to attend .
Expect ISIS and Ebola to be major topics at this week 's General Assembly special debate . Climate change is set to be the top focus on Tuesday . Comment: Leonardo DiCaprio , a U.N. messenger of peace , plans to to attend .