Can social media save the world?  Considering that for the first time in the history of humanitarian aid, the internet and social media provides individual donors and worthy organizations the ability to connect meaningfully on opposite sides of the world, I'd have to say, yes.  Social media can help save the world. 
 
In my professional consulting, I've used social media to expand eco awareness and introduce sustainability concepts to others.  Social media is effective because it addresses two of the biggest hurdles of social change: reaching the people who can actually make a difference, and providing the means and channels for them to do so. 
 
The post, 9 Reasons Social Media and the Web Can Save Wildlife illustrates the ease with which taking action, sharing nature photography, and donating to worthy causes is available all due to social media.
 
Social media, viewed as a small business resource can be leveraged to build sustainable business communications by engaging with stakeholders.    
 
 
Social media is the key to bringing a new level efficiency to enacting social change.  In Taiga Company's sustainability consulting, we encourage clients to leverage social media tools to have a direct and measurable impact on environmental causes — to collaborate, innovate and help build a sustainable future.