4: The World Anti-Doping Agency handed Russia a four-year ban from all major sporting events, precluding its participation in the Tokyo 2020 Olympics and Paralympics, and soccer's 2022 World Cup in Qatar. Russia has three weeks to appeal the ban, which its prime minister says is the result of "chronic anti-Russian hysteria."

800,000: To mark six months of their fight against the government, roughly 800,000 black-clad protestors took to Hong Kong's commercial hub Sunday, calling for mass strikes across the city. The demonstration, the largest anti-government gathering in months, was led by chants of "Five demands, not less!" and "Hongkongers take revenge!"

50 million: Every year the world produces 50 million tons of electronic garbage – discarded phones, laptops, tablets and so on. Much of this is recycled in Southeast Asia, where toxic fumes from the process have ravaged local communities. Thailand has tried to ban imports of foreign e-waste to little avail.

34: Finland will have the world's youngest serving prime minister after Sanna Marin, the 34-year-old former transport minister, was elected Sunday as head of the country's coalition government. Of the five parties that make up the coalition, four are led by women under the age of 35.