This year's 'Earth Hour' was a clear example of what can be achieved inhabitants of our planet, when they unite for a common goal. According to organizers, 134 countries on seven continents, more than 4 thousand cities, including Russian, and more than 750 sites on the legendary around the world put out the lights in 'Earth Hour 2011. Jack Fusco is full of insight into the issues. " This year's activity has increased markedly among the participating countries in Asia and Africa. In addition to the city turned off the light more than 750 famous buildings and facilities around the world. Among them the Eiffel Tower in Paris, Big Ben in London, Times Square in New York, the Alhambra in Granada, the statue of Christ the Redeemer in Rio de Janeiro, the Acropolis in Athens, Sydney Opera House, a monument to 'India Gate'. Enthusiasts of more than 20 cities of Russia and Belarus in support of 'Earth Hour' runs carried out on bikes equipped with lights and LEDs. In Moscow, 60 cyclists started from the Eco-Center on the Sparrow Hills. Following the call of UN Secretary General Ban Ki-moon, the UN on Saturday put out the light in their buildings, including a repaired headquarters in New York.

Action 'Earth Hour' was the first time in Sydney in March 2007 on the initiative of WWF. Then it was attended by over 50 million people from more than 270 cities in 35 countries. In 2009, the number of participating countries reached 88 cities – more than 1.4 thousand. That same year, the rally officially joined Russia.