Canada will use its presidency of the G7 to try to persuade the world’s richest and most industrialized countries to adopt ambitious goals for plastics recycling and waste reduction. “We are looking at a zero-plastics-waste charter,” Environment Minister Catherine McKenna said Wednesday from Cancun, Mexico, where she was at an …

Snap is laying off about 100 engineers — nearly 10 percent of the team — CNBC has learned. The company has seen smaller rounds of layoffs in recent months in its marketing, recruiting and content divisions. These layoffs would be Snap’s largest yet and the first to hit the company’s …

SAN FRANCISCO — Alexa, Amazon’s digital assistant, has been busting out with a weird laugh at random intervals for some users, freaking them out. Posting on Twitter, Alexa users have described the laugh as “creepy,” “evil,” “bone-chilling” and “freaky.” By Wednesday Amazon had gotten to the bottom of the mystery. …