Government targets call for up to half of energy to be renewable by fiscal 2040, focusing on wind power. An expert says soaring material costs make this unrealistic.

From self-cleaning bottles that use UVC light and electric bikes to solar-powered headphones and Bluetooth speakers, some gadgets for the eco-friendly traveller.

Use precise geolocation data and actively scan device characteristics for identification. This is done to store and access information on a device and to provide personalised ads and content, ad and ...