Water frozen at the tops of mountains that helps sustain up to a quarter of the human population is under threat from climate change, population growth and lack of proper management, according to a new international study. The systems store and transport water through glaciers, snow packs, lakes and streams. They supply water to 1.9 billion…

About 1,500 light years away lies the remnant of a star that was once like our own, and it’s providing astronomers with clues as to what might happen in our solar system after the sun dies. In roughly six billion years, after it has run out of energy, the sun will swell, enveloping Mercury, Venus, and…

There is a new online watchdog keeping track of the environmental promises of the federal Liberal minority government. EnviroVote Canada lists summaries of the key promises on the environment. It adds a check mark next to fulfilled promises and an X next to unaccomplished promises. “This isn’t a partisan website, our sources are their platforms,” said Isabelle Hurley, a…

Nobel Prize laureates gathered in Stockholm to receive their awards took the opportunity Saturday to stress the importance of addressing climate change. Winners of the prizes in physics, chemistry and economics made the assessment Saturday ahead of next week’s presentation of the prizes. The remarks come as a global summit on climate change takes place…

It’s that time of the year again, when the night sky lights up with meteors as part of the Geminid meteor shower. This year, the meteor shower runs from Dec. 4 to Dec. 17, peaking on the night of Dec. 13 to 14, when roughly 150 meteors per hour can be seen from a clear, dark-sky location.…

Climate activist Greta Thunberg arrived in Madrid on Friday to join thousands of other young people in a march to demand world leaders take real action against climate change. After making it through a swarm of media cameras and microphones at the Spanish capital’s northern train station, the Swedish teen posted an ironic tweet saying she…