* Pollution * Population or * Overcrowding * Use of natural resources * Energy usage or * Toxic waste. * Gaps in global wealth. * Greenhouse gas emissions. * Urbanization.
Population
Pollution
china
diaspora
Historically, the schism involved who would lead Islam after Muhammad, as the rightful leader of the faith. Subsequently there have been defining sifferences, such as how many pillars of faith are recognized.
The Zionist Movement established the Jewish State of Israel in the historic Jewish homeland.
Christianity, Zoroastrianism, and Islam have been the only three religions that have fought for significant chunks of the Middle East. Other religions, like Judaism, Druze, or Alawite have fought for smaller regions of the Middle East.
Protestantism
Judaism
Sunni Islam