Islam is in many ways an essentially green religion, with foremost ethical principles stressing the importance of protecting the Earth and living in harmony with nature. But the Hajj, which officially began yesterday, has in recent years been attracting negative attention for its environmentally unfriendly effects. What does it mean when one of Islam's holiest events leads to environmental damage?
Ibrahim Abdul-Matin, author of Green Deen: What Islam Teaches About Protecting the Planet, joins us to discuss this connundrum, and explain recent efforts to make the Hajj more green. We also hear from the BBC's Shaimaa Khalil, who is at the Hajj in Saudi Arabia..