Many celebrities have become green activists, whether they have started nonprofit organizations, inspired political action, or live eco-friendly lifestyles.
Green builders can attend these conferences in 2013, either to learn about sustainable construction or to market their building products to their target market.
#Ecomonday, also known as the green #FollowFriday, is a valuable tool for sustainability-focused Twitter accounts to gain followers and foster stronger connections.
Fly ash, a byproduct of coal combustion, can be recycled. While fly ash's safety is up for debate, it is considered a sustainable material when reused in bricks or other building materials.