legal backing: The Delhi High Court has asked the Delhi Jal Board (DJB) and other civic agencies to permit water harvesting in as many public sector buildings as possible. In an order issued on August 25, 2004, it also directed authorities concerned to allow the activity on flyovers that have their designs approved for the purpose. The order was issued in response to a petition filed by V K Jain of Tapas, a non-governmental organisation. The Central Ground Water Authority was asked to submit data on groundwater.

wave power: A prototype of a commercial-scale floating Wave Energy Converter (WEC) fed its first electricity into the grid in the United Kingdom (UK) on August 23, 2004. The WEC, named Pelamis, has been developed by the Edinburgh-based company Ocean Power Delivery and installed at the European Marine Energy Centre (EMEC) at Orkney. One Pelamis has a power output of 750 watts. Many such machines in