Bill Gates has announced that he will invest $2 billion in renewable energy breakthrough projects, although he has rejected calls to take away his other investments from fossil fuel companies.
Softbank, the Japanese telecoms giant, has announced plans - alongside India's Bharti Enterprises and Taiwan's Foxconn - to invest $20 billion in Indian solar energy projects to meet massive increases demanded by new government targets.
Britain's Conservative government will end onshore wind farm subsidies in April 2016, a year earlier than set out in the previous Tory-Liberal Democrat coalition agreement.
RWE has officially opened the Gwynt y Mor wind farm in North Wales. The project, financed with a £2 billion ($3.18 billion) investment by Stadtwerke Munchen and Siemens, has seen the development of 160 turbines some 13 km into the Liverpool Bay.