When the oceans became acidic

When the oceans became acidic

Colossal volcanic eruptions some 250 million years ago have long been linked to the widespread global extinction known as the “Great Dying“, a 60,000-year period that saw 90 percent of all sea creatures and more than two-thirds of all plants and animals on land die off. But new research has for the first time identified the specific cause of the […]

Read more

Ghana: Why are the Chinese miners here?

Ghana has sold its soul to China, said Alex Bossman Baafi. Small-scale gold-mining permits are reserved by law for native-born Ghanaians only. Yet Chinese immigrants are operating illegal gold mines all over the country, with expensive machinery and guards armed with illegal guns. These miners hurt the environment by razing our forests and dumping toxic mining by-products like cyanide into […]

Read more

New framework sheds light on how, not if, climate change affects cold-blooded animals

Cold-blooded animals like lizards, insects and fish have a preferred body temperature range at which they hunt, eat, move quickly and reproduce. Fear that a warming climate will constrict this temperature range underlies recent studies that warn of the detrimental effects of climate change on the activity and survival of cold-blooded animals. While not contradicting these warnings, a new paper […]

Read more
1 437 438 439 440 441 455