Millions of old gadgets ‘stockpiled in drawers’

Public urged to "recycle their tech" as rare, valuable materials in millions of old devices languish in UK homes. Read more »

Does the future of farming exist beneath city streets?

In a disused air raid shelter one company is growing crops, but what are the pros and cons of vertical farming? Read more »

G7 summit: Inside the climate activist training camp

Campaign groups in France are teaching people how to protest effectively, ahead of the G7 summit. Read more »

Former Farc rebels become eco-warriors to stop deforestation in the Amazon

Ex-Farc rebels in Colombia, who spent decades fighting the government over land and power, have reinvented themselves as eco-warriors protecting the Amazon from illegal logging. Read more »

Fracking: UK shale reserves may be smaller than previously estimated

Previous research suggested 50 years of shale gas under the UK, but a new study says it could be less than 10. Read more »

Hawaii protests continue against a volcano telescope

Celebrities have joined protestors in Hawaii as a campaign to stop the building of a telescope on a volcano enters its sixth week. Read more »

Nasa confirms ocean moon mission

Scientists working on a mission to the ocean moon of Europa can proceed with the final design and construction of the spacecraft, Nasa has said. Read more »

Chandrayaan-2: India spacecraft begins orbiting Moon

The $145m Chandrayaan-2 aims to become the first space mission to land on the Moon's south pole. Read more »

Climate change: Iceland holds funeral for melted glacier

It's thought Okjokull is the country's first glacier to be lost as a result of climate change, following the hottest July ever recorded. Read more »

When an ethical vegan met a sheep farmer…

Many vegans boycott woollen clothing on the basis that it is cruel to sheep. Read more »