BusinessGreen: The global clean tech sector is showing strong signs of recovery, after valuations for leading listed clean tech companies climbed $26bn during the last financial year.
The global figures come from new research by Ernst & Young (EY), which analyses 424 companies that derive more than half of their total value from clean energy. The report calculates that the companies employed 512,500 people and boasted a combined market capitalisation of $170bn as of April 2013, up 18 per cent on the close of...