Q&A: Internet extremism and how to combat it

In the wake of Britain's third major attack in three months, Prime Minister Theresa May called on internet companies to do more to block extremist groups who use the web to recruit members and send coded messages.

First UN talks to tackle ocean problems kick off Monday

World leaders convene at UN headquarters next week for the first major bid to solve the toughest problems facing our oceans, from coral bleaching to plastic pollution, overfishing and rising seas due to climate change.

Laptop ban hot topic as airlines meet in Cancun

Top airline industry players are meeting Monday and Tuesday in Cancun to seek alternatives to the US and British bans on laptops and tablets on certain flights, which they say is hurting business.

Blockchain seen as tool in food safety

The food industry is turning to the same technology used by virtual currencies to strengthen food safety and inventory management by tracking meats and crops from farm to table.

Slovenia's 'eco-hero' who crushed a cement giant

When he saw swallows nesting in the barn for the first time in almost two decades, Slovenian farmer Uros Macerl felt vindicated. His exhausting battle against a polluting industrial giant had been worthwhile.