Tag Archives: population

Yes, we know that “the climate has always changed”…


… but that’s not the point. Here’s what that point really is. The concentration of global, atmospheric CO2 today exceeds 400 ppm. The last time that happened on Earth was something like 2–5 million years ago, in the Pliocene Epoch … Continue reading

Posted in academics, deforestation, editorial, Endangered Species Act, environment, evolution, history, IUCN, overpopulation, skepticism and science, weather | Tagged , , , , , , , , , , , , , , , , , , , , , , | Leave a comment

The state of global biodiversity β€” it’s worse than you probably think β€” ConservationBytes.com


Sobering synopsis here by CJA Bradshaw. For those of us who study natural history, such information confronts us every day. It can be easy to forget that we are a tiny minority of the billions of humans on this planet … Continue reading

Posted in bat conservation, birds/nature, deforestation, editorial, Endangered Species Act, environment, evolution, history, IUCN, nature deficit disorder, No Child Left Inside, overpopulation, paleontology, population estimates, population monitoring, skepticism and science, wildlife | Tagged , , , , , , , , , | Leave a comment

Some perspective on peak abundance of Passenger Pigeon


You’ve heard the story before, and it’s sobering: Once perhaps the most abundant vertebrate on the planet, a combination of unremitting exploitation and habitat loss reduced the Passenger Pigeon (Ectopistes migratorius) from billions to none in a few short decades … Continue reading

Posted in bird evolution, birds/nature, deforestation, editorial, Endangered Species Act, environment, history, IUCN, life, Links, National Audubon Society, Partners in Flight, population estimates, population monitoring, skepticism and science, wildlife | Tagged , , , , , , , , , , , , | Leave a comment