Green chemistry emerged in the 1990s when research increasingly focused on the development of environmentally benign alternatives to hazardous chemical processes. This was prompted by a rising ...

Researchers at Nichia Corporation have demonstrated green InGaN-based lasers grown on c-plane sapphire, with lifetimes capable of supporting commercial applications. The demonstration of green ...

Green is the quintessential colour of nature - of parks, gardens and forests, and a reminder of the life-giving power of plants. For animals, it's a complicated colour to produce using pigments. Many ...