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Image by @laisladelosmonos from the Perivian Rainforest. Did you know that deforestation is responsible for up to 20% of all carbon emissions globally? This year #EarthHour 2013 has a particular focus on forests. Yesterday the WWF-Russia team reached 100,000 signatures on their petition for protective forests, which could be the catalyst to reinstate a ban on industrial logging in an area equal to twice the size of France.

Image by @hannejac from the Forest Research Institute of Malaysia. Reforestation is one of the main theme's for this year's I Will If You Will campaign for Earth Hour. More than 1 million trees are to be planted in Botswana as part of the former President's IWIYW challenge to the nation. The world's first Earth Hour Forest will also begin in Uganda, with more than 2750 ha of land secured for reforestation of the Pearl of Africa.

#EarthHour guest blogger and #YourPlanet enthusiast @crowthercollective caught one of the largest avalanches he'd ever seen whilst completing the second part of his #IWIYW challenge.

Check out @crowthercollective's incredible images from his #IWIYW 25 day Himalaya trek. Ashely did the trek to raise awareness of global glacier retreat. Accept his challenge and take part in the #YourPlanet project on #Instagram to inspire a better world.

The Eiffel Tower in Paris switches off for Earth Hour (Credits: @wwffrance )

Image by @instagram_mv who is encouraging everyone in the #Maldives to upload their #EarthHour Instagram images using the hash-tag #MVEarthHour! How cool is that? Earth Hour 2013 is taking place in more than 150 countries and territories this Saturday, March 23 at 8:30PM.

Image by @khristway in Jambi, Indonesia. "Save Our Forests".

"Washing of the elephants in Thailand", beautiful image of a creature we must protect by @yogi_ank

Image by @emilhamouz in Sumava (Bohemian Forest), Czech Republic -

We are so honored that Nelson Mandela has shared this message in support of #EarthHour 2013. How are you celebrating today? Together we can find the energy to turn the inspiration of one hour into the actions of every hour.