Chimneys spew pollution into the atmosphere in a ruined landscape. Within a human lifetime, concentrations of CO2 in Earth's atmosphere could reach levels associated with 19 "mass extinctions" that ...

Human activity may be triggering the greatest extinction event since the asteroid impact that wiped out the dinosaurs, according to scientists. Their study, based on a review of decades of research on ...

Shocking research has warned that humans are driving extinctions at a scale not seen since the mass extinction of the dinosaurs some 66 million years ago. The researchers from the University of York, ...

Humans have wiped out hundreds of species — with many more on the brink or experiencing large declines in population. Some scientists have argued that we have entered a “sixth mass extinction” event ...

(CNN) — No species lasts forever — extinction is part of the evolution of life. But at least five times, a biological catastrophe has engulfed the planet, killing off the vast majority of species from ...

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The research looked at peaks in biodiversity loss and their relationship with atmospheric CO2, finding 50 events over the last 534 million years that can be considered mass extinctions. When you ...