Protection areas for night skies multiply with growing movement
The movement against too much artificial light at night celebrates International Dark Sky Week in April.
The movement against too much artificial light at night celebrates International Dark Sky Week in April.
Venezuelans who cannot flee are in the grips of a humanitarian crisis from lack of food and basic services.
Flooding, the worst of the impacts globally, continued to affect the largest number of people, more than 35 million.
Energy-related CO₂ emissions rose 1.7% to 33.1 billion tons from the previous year, the highest rate of growth since 2013.
Hundreds of millions of youth are at risk of contracting water-borne diseases because more countries suffer from conflicts.
The judgement in a Netherlands-based tribunal brings to a close the legal odyssey of 73-year-old Radovan Karadžić.
A panel found Israeli soldiers used live ammunition against thousands of unarmed protesters, killing 189 Palestinians.
The announcement confirmed another important element of the prevailing theory for how the universe began.
These are turbulent times for the International Criminal Court, created 17 years ago as a court of 'last resort.'
Climate protests organized in 2,083 cities across 125 nations made for one of the world's biggest ever demonstrations.
U.N. Environment's global assessments are a touchstone among scientists, policy experts and decision makers.
Since unleashing his invention on the world at CERN, Tim Berners-Lee has continued to wrestle with the implications.
The U.N. reported losing 21 staff who worked for its agencies; other international organizations reported losing 25 staff.
The E.U. and eight nations condemned Saudi Arabia, demanding it cooperate with a U.N.-led investigation.
WHO announced a major restructuring plan to cut red tape and reduce tensions between headquarters and field offices.
The leaders had contradictory accounts of why there was no agreement on dismantling North Korea's nuclear weapons.