Silicon, the standard semiconducting material used in a host of applications computer central processing units (CPUs), semiconductor chips, detectors, and...
Having safe drinking water is vital for public health, but traditional methods of disinfection cause their own environmental problems. Chlorine...
Scientists on an oceanographic voyage in the Central North Pacific last August became startled about the number of manmade objects...
Pangaea was the name Alfred Wegener gave to the supercontinent that existed on Earth 250 million years ago. Over the...
Researchers have developed a cheaper and more energy-efficient way to make hydrogen directly from seawater, in a critical step towards...
The world's biggest and richest companies are failing to deliver on their climate pledges, according to an in-depth analysis released...
On-site solid-waste impoundments, landfills, and receiving water bodies have served as long-term disposal sites for coal combustion residuals (CCRs) across...
The atmospheric level of carbon dioxide -- a gas that is great at trapping heat, contributing to climate change --...
If you’ve noticed more lush medians and plant-covered roofs in cities, it’s not your imagination Incorporating more natural elements in...
Rescues offer moments of relief after quake that has killed more than 22,000 https://www.youtube.com/watch?v=D-yxg5z0KfI CBC News reporter Briar Stewart is...
©الحقوق المحفوظة لـ جريدة السفير 2021