DNA: Holi, Diwali, Ganesh Utsav harm the environment, but doesn`t Eid?

Diwali causes air pollution, Holi festival leads to wastage of water, while it is said that the water of rivers gets polluted during Ganesh festival. If this is so, then does the festival of Eid not harm the environment? Know in this video the real definition of secularism regarding festivals.