Smart phones are rarely recycled and that's just one reason tech devices are increasing our carbon footprints, says Lotfi BelkhiR from McMaster University
Greenpeace says its rankings show big names such as Samsung and Amazon must demonstrate 'greater ambition' on renewables, resource use and hazardous chemicals
Liontrust's Mike Appleby spots the investment potential from the world's growing e-waste mountain
To tackle the growing e-waste challenge we need to start thinking differently about technology