Pandemic Lockdowns Did Cut Air Pollution—but With a Catch
Studies from all over the globe show short-term improvements in urban air quality, but experts are skeptical about how long they’ll last. https://bit.ly/3mENTbs
Security researchers say the group exploited a zero-day in Apple’s operating system to target European government officials over LinkedIn. https://bit.ly/3kmtpoZ
Whether you’re hiking, climbing, or backpacking, here’s how to build a layering system that can handle all that Mother Nature will throw at you. https://bit.ly/3d9dcj6
