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.
Daylight saving time is now observed in most regions of all provinces and territories, except Saskatchewan (although, since Saskatchewan is in the Mountain Time Zone and observes CST time it is effectively on DST year round).Under the Constitution of Canada, laws related to timekeeping are a purely provincial matter.our Canadian cities, by local ordinance, used Daylight Saving Time in 1916. Brandon, Manitoba on April 17 became the first place in the world to use it. It was followed by Winnipeg on April 23, Halifax on April 30, and Hamilton, Ontario on June 4.