Puerto Rico has had chronic outages due to hurricane damage and a lack of maintenance and investment in its power grid.

A former New York police sergeant has been sentenced to 18 months in prison in a U.S. case about China’s pursuit of critics abroad.

In cold climates, refrigeration systems with air-cooled condensers may require extra components to prevent the low-pressure ...

While CO₂ doesn’t transmit viruses itself, it acts as a proxy for indoor crowding and poor ventilation. The more people in a ...