WWF annually encourages people around the globe to switch off the lights from 8:30 pm for just one hour. For this year’s Earth Hour initiative, set to culminate on March 23, the international ecological organization has launched a series of programs relevant to the global effort. Along with inviting celebrities to support the initiative, WWF has unveiled a spin-off of its successful “I Will if You Will” effort and a new cross-continental “Earth Hour City Challenge” contest. There is also a standalone design project in the UK, launched by the creative environmental charity Do The Green Thing, to create posters for the upcoming event.

Starbucks is tackling the problem of trash from disposable cups with a new offering, a $1 reusable tumbler, which is available across the USA and Canada starting today, January 4. Owners of the new tumbler, which visually resembles the iconic Starbucks paper cup with the brand’s green logo, will have a discount each time they refill it. According to USA Today, the environmentally friendly tumbler “pays for itself after 10 uses.

Greenpeace has launched a new campaign dubbed Save the Reef to raise awareness of the dangers of the coal mining in Australia. The environmental organization, known for its large-scale initiatives aimed to sparkle the debates around non-ethical actions of global and local companies, now starts one of its biggest environmental battles in Australia. For the initiative, the organization has teamed up with the award-winning filmmaker, Daniel Bird, who shot an animated “Coal World” web film dedicated to spreading the word about the issue.