Energy Efficiency Day
Energy Efficiency Day is held on October 5. This event in the first decade of the month October is annual. 
Help us
Help us 
Using energy more efficiently is one of the fastest, most cost-effective ways to save money, reduce greenhouse gas emissions, create jobs, and meet growing energy demand.
60 minutes of solar energy could power the Earth for a year. 10 Google searches can power a 60-watt lightbulb.
More than 2.2 million Americans have jobs in energy efficiency or clean energy production. That's more than five times the jobs in the dirty energy industries, including coal, gas, and oil. In fact, about one in every six construction jobs in the country is connected to energy efficiency.
Similar holidays and events, festivals and interesting facts
Change A Light Day on October 4 (First Sunday of October);
International Geodiversity Day on October 6
Arbor Day in Namibia on October 9 (Held on the second Friday of October);
Ranger Day in Argentina on October 9
Arbor Day in Poland on October 10 (Święta Drzewa);
Fall World Migratory Bird Day on October 10 (Held on the second Saturday of May and October with the support of the United Nations Environment Program - UNEP);
World Algae Day on October 12