Technology

"A mother and daughter are the only two northern white rhinoceroses left in the world. Their eggs were fertilized using sperm from males who have died."

"The taut rope that was lowering an underwater listening station to the ocean’s floor collapsed on the tug boat’s deck with a slap, signaling to the crew on board that their mission was complete. They had successfully deployed a sound system in the Santa Barbara Channel."

"Electric scooters may emit more greenhouse gas emissions than competing modes of transportation, resulting in a larger environmental impact than advertised, according to a new study."

"In Florida, the Army Corps of Engineers is working to combat a growing environmental menace: blue-green algae. Nitrogen and phosphorus runoff from farms and subdivisions combines with warm summer weather to create massive blooms of algae in rivers and lakes that can be toxic."

"For the clearest sign yet that renewable energy has gone mainstream, consider this: Clean-energy resources supplied more of America’s electricity than coal for the first time ever in April."

"An explosion and fire at Philadelphia Energy Solutions refinery has people concerned about hydrogen fluoride."

"The plant-based burger company called regenerative grazing the “clean coal of meat” in a recent report. That hasn’t gone over well amongst carbon ranchers."

"The United States is stepping up digital incursions into Russia’s electric power grid in a warning to President Vladimir V. Putin and a demonstration of how the Trump administration is using new authorities to deploy cybertools more aggressively, current and former government officials said."

"President Donald Trump signed an executive order Tuesday directing federal agencies to ease rules for approving genetically modified crops and other agricultural biotechnology."