New clues in a mass murder that took place 252 million years ago points to a suspect: Ocean acidification may have driven the largest extinction of animals the world has ever seen. Carbon dioxide belched out by volcanic eruptions during the Permian period could have caused the oceans’ chemistry to change. That’s worrisome because CO2 levels are rising today — thanks to the burning of fossil fuels — and pushing down seawater pH, researchers report online June 8 in Geology.

Continued here:
Did CO2 Cause Mass Extinction 252 Million Years Ago?

More on SKCEA.org:

• Owl wings may inspire new design for quieting aircrafts
  Airlines and airports could soon be relying on nature for a unique way to reduce noise pollution after researchers found owl feathers are designed to minimize sound while in flight. Owls have long been known to have the uncanny ability to fly silently, relying on specialized plum...
• Trash talk: A visual tour through the e-waste recycling process
  Like carnival goldfish, electronics seem to have a life span of about a week before they’re flushed into the junk drawer. But there’s a better way : We visit an e-waste collection center and recycling facility to follow deceased gadgets as they go through the stages ...
• Dubai to Abu Dhabi Electric Superbus Now Road Legal
  It's 15 meters long, super luxurious and totally electric powered. It's called the Superbus, and it was originally proposed as a super fast and luxurious commuter vehicle between the UEA Emirate states of Abu Dhabi and Dubai. This totally electric and futuristic looking vehicle, ...
• Live for free (almost) in a tiny home
  by Jess Zimmerman. How big is 320 square feet? It's roughly the size of a school bus. And Debra and Gary live in that amount of space with their teenage son. Why? Well, for starters, because it cost them $15,000 to build and now they're mortgage-free. They pay less than ...
• Poaching in the Serengeti linked to poverty, high legal hunting prices
  In the effort to protect the Serengeti—arguably Africa's most famous ecosystem—one of the major problems is the bushmeat trade. Population growth, little available protein, poverty, and a long-standing history of hunting has led many communities to poach wildlife within Serengeti...