International Day of No Pesticide Use
International Day of No Pesticide Use is held on December 3. This event in the first decade of the month December is annual. 
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December 3 is the anniversary of the worst peacetime chemical disaster in history. Twenty-seven tons of lethal gases leaked from Union Carbide’s pesticide factory in Bhopal, India on this date in 1984, immediately killing thousands of people and poisoning half a million others.
Pesticide Action Network (PAN) International, which marks its 35th anniversary this year, is a global organization with five regional centers around the world. PAN honors the memory of the Bhopal victims every year with an international “Day of No Pesticide Use,” an annual reminder that agricultural chemicals are harming communities around the world every day.
Similar holidays and events, festivals and interesting facts
Arbour Day in British Virgin Islands on November 28 (Held on the last Friday of November);
Thai Environment Day on December 4 (Thailand);
National Tree Planting Day in Malawi on December 8 (Date for 2025; celebrated on the second Monday in December);
World Climate Day on December 8 (initiated by several environmental associations of France and Belgium);
International Animal Rights Day on December 10
National Energy Conservation Day in India on December 14 (since 1991);
World Energy Conservation Day on December 14
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