Some of the main causes of pollution include industrial emissions, poor disposal of wastes, mining, deforestation, use of fossil fuels and agricultural activities. Pollution can affect the air, the land and water bodies throughout the world.
Most of Ontario Canada is in the Eastern Time Zone. The areas of Ontario, west of 90 west longitude, are in the Central Time zone.
A large portion of the viewing audience lives in the Mountain Time Zone which does help alleviate some of the issues that the United States faces. Much of the time changes are handled by showing pre-recorded programs on local time. The following regions in Canada are some observing Eastern Standard Time: 1  Ontario, the whole location uses EST except some western areas like the Thunder Bay although Atikokan is included in the timing. 2  Quebec. 3  East/Central Nunavut uses EST.