i will if you will

Pocoyo and his friends will clear 2 tons of trash from the ocean for Earth Hour if 100,000 kids will play the Ocean Clean-up Game. It's fun, you can play even if you are not a kid! Accept the challenge now!

Indonesian actress and model Pevita Pearce will sleep without air conditioning for one month and plant 100 baby trees if 10,000 of her Twitter and Instagram followers will post a photo with the hashtag #dukungAKSIpevita! She wants them to show in the photo that they are either throwing trash into the garbage bin or reducing or stopping their use of plastic bags. 'Ini Aksiku! Mana Aksimu?' (This is my action! What is yours?) is Earth Hour Indonesia's version of the global I Will If You Will campaign. Give her your support and accept the challenge now!

Aunties are raising awareness about Earth Hour. Watch it now and accept their funky challenge!

You need to be a building owner in Kuala Lumpur to accept this challenge. Please do not accept it if you are an individual.

Pepper and Churros have decided to quit using litter and hop on the toilet instead to save their planet if 1000 humanoids join them in observing Earth Hour 2013 on Mar 23, 8.30pm.

South Korean parliament member and co-chairperson of Korea Governance Forum on climate change, Songgon Kim, will collect the signatures of 300 Korea National Assembly members to support Earth Hour if more than 100,000 people will click and watch his challenge video. Accept his challenge now!

Green School in Bali, Indonesia (www.greenschool.org) is giving its students a natural, holistic and student-centered education in one of the most amazing environments on the planet. Their Grade 8 students created this challenge for Earth Hour 2013: They will go paperless for the rest of the school year if 1000 people will plant a tree. Accept their challenge to support them right now!

Sri Lankan mountaineer Elmo Francis will climb 7000 metres in the Himalayas if 100 schools will promote awareness about sustainability. He will conduct his next high altitude expedition of 7000 metres under the theme of "Climb for Climate Change". After his climb, he will conduct awareness programs promoting sustainability through Earth Hour across the country. Give him your support and accept his challenge now.

Want to see him fly in the sky? Philippines celebrity and WWF national ambassador Marc Nelson will kiteboard wearing a panda hat if 1000 people pledge to use reusable tumblers for his 2013 IWIYW challenge. Give him your support now!

Our Earth Hour champion, Sir Robert Swan, polar explorer and environmental leader, will walk 1600 kilometres in the Antarctic using only renewable energy if 16000 people will visit his 2041.com website to support the need to preserve the polar region. Accept his challenge now!

Miss Greece 2010 and MADTV presenter Anna Prelevic will play basketball on high heels if 100 of you ride your bicycles to work. Accept her challenge now!