Earth surpasses critical warming threshold, officials say

For the first time since record keeping began, Earth has surpassed a critical temperature threshold that scientists have long warned could unleash the worst effects of climate change. On Friday the planet soared 2.07 degrees Celsius above pre-industrial levels, or the 1850 to 1900 average, according to Europe’s Copernicus Climate Change Service. Aggressive and impactful … Read more

Supreme Court mulls California officials’ Facebook activity

WASHINGTON —  The Supreme Court heard arguments Tuesday over whether the 1st Amendment helps or hurts public officials who use their personal Facebook pages to communicate with constituents — and sometimes block their critics. The justices heard an appeal from two San Diego-area school board members who were sued for violating the free-speech rights of a … Read more

Maine mass shooter heard voices, may have embraced conspiracy theories, officials say

LEWISTON, Maine —  The gunman accused of killing 18 people in Maine reported mental health issues, including that he may have been hearing voices and believed people were talking about him, officials said Saturday. Police have still not declared a motive in the case, but Maine Public Safety Commissioner Mike Sauschuck said the gunman, Robert Card, … Read more