In the last 500 million years, life has had to recover from five catastrophic blows. Are humans dealing the planet a sixth? More than 99 percent of all organisms that have ever lived on Earth are extinct.
More than 99 percent of all organisms that have ever lived on Earth are extinct. As new species evolve to fit ever changing ecological niches, older species fade away. But the rate of extinction is far
They will face some of the harshest conditions on Earth: polar night, complete darkness, heavy storms, and temperatures that can reach almost minus 50 degrees Fahrenheit. That’s why Markus Rex, the atmospheric
It's the most powerful greenhouse gas known to humanity, and emissions have risen rapidly in recent years, the BBC has learned. Sulphur hexafluoride, or SF6, is widely used in the electrical industry prevent