Why it matters: Major social media platforms largely rely on these data centers — facilities that house computers, servers and storage systems — to keep their services running. Another outage may result in Twitter going dark for some of its users.
A new assessment of tipping points within the climate system concludes that far more stringent emissions cuts are needed, compared to the most ambitious current plans.
Why it matters: The new study, published Friday in Science, finds tipping points lurking much closer to the present level of warming, and that the Paris Agreement's most stringent warming target of 1.5°C compared to preindustrial levels could trigger four of them.
Why it matters: Wildfire smoke, especially when it coincides with high temperatures, can be hazardous to the health of humans even hundreds of miles away from the actual fire because it carries harmful microscopic particles that can trigger inflammation in the lungs.