Welcome to the Earth Hour global community!

Over 300 people have accepted Earth Hour ambassador Therese Kerr's I Will If You Will challenge and have pledge to make the switch to renewable energy. As a thank you for the support, she is sharing her recipe for the nutritious and carbon friendly Kale and Berry Protein Shake.

100 people have pledged their support to make the switch to renewable energy, so our global ambassador Therese Kerr is sharing with the world her very first carbon friendly recipe for Earth Hour 2013. Continue to support Therese Kerr's I Will If You Will challenge to unveil the rest of her delicious recipes!

Therese Kerr shares her excitement as an Earth Hour Global Ambassador, and also her pledge to share her top 5 favourite low-carbon recipes if you switch to renewable energy.

It's been a huge year for Earth Hour - the launch of new global campaign, our movement spreading to a record 7001 cities and towns, not to mention all of the beyond the hour projects, big and small, that are making a difference to the planet we live on. We thought we'd take a look back at some of the more memorable events that took place around Earth Hour 2012 and throughout the year.