2.
This wind farm outside Beijing was built to supply green power to the 2008 Olympics. Photo credit: Michael Davidson

3.
Off the coast of Thanet, UK, this is the world’s largest expansion of wind power into the sea. Photo credit: nuon on Flickr

4.
The Danish farmer pictured here uses this wind turbine to supplement his income. Photo credit: Wang Yiting

5.
This solar PV charging station is part of India’s Solar Mission to become a world leader in small-scale PV applications. Photo credit: hiyori13 on Flickr

6.
Spanish companies are world-class in their exploration of new solar PV technologies, such as concentrated solar thermal (CSP) pictured here. Photo credit: afloresm on Flickr

7.
Wind farms dot the landscape of Northern China where the wind blows strongest. Photo credit: Michael Davidson