Greenpeace recently protested outside Twitter's headquarters in San Francisco, asking the social network to make its tweets green.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/greenpeace-turns-heat-twitter-commit-renewable-energy
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/zee-news
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/renewable-energy
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/greenpeace
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/energy
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/energy-efficiency