Earth Day
Annual event on 22 April
Do people celebrate Earth Day with a ceremonial tire fire?
Earth Day is a global holiday to show support for environmental protection. Tire fire is a large quantity of tires burning at once. Smoke from burning tires contain heavy metals and other harmful pollutants. Smoke is harmful to the environment. 
What is the major focus/purpose of the Earth Day holiday? What are the environmental implications of tire fire? Is #2 consistent with #1?