Sustainability

Disposable toilet could clean up slums

Boat built from soda bottles prepares to set sail

Vodafone is ICT industry's greenest

Iceberg could disrupt ocean currents worldwide

US plans $1 billion moated embassy

E-waste set to rocket, says UN

Brick-sized device could power a home, says Bloom Energy

Vehicle-to-grid integration uses cars as batteries

Ocean acidification fastest in 65 million years

'Gene-like' crystals could capture CO2