Plant Extinction

A study published on June 10th in Nature Ecology & Evolution (authors: A.M. Humphreys, R. Govaerts, S. Ficinski, E.N. Lughadha, and M.S. Vorontsova) has indicated that over the past 250 years, 571 plant species have become extinct. Human activity is considered to be the primary reason for the vast majority of these extinctions.  The authors … Continue reading Plant Extinction

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Human Impact on the Climate

Let me admit that writing this posting is cathartic. I'm tired of reading and hearing inanity from climate change skeptics and deniers. On February 25, 2019 the British peer-reviewed journal Nature Climate Change published "Celebrating the anniversary of three key events in climate change science." Its content was picked up by numerous news outlets. The … Continue reading Human Impact on the Climate

Climate Change Denial

Why does climate change denial persist in spite of the evidence? Much of the science behind climate change seems to be irrefutable at this point. For example, science has shown that the temperature of the earth has warmed about 2 degrees Fahrenheit since the Industrial Revolution. The implications of increased greenhouse gases (like carbon dioxide, … Continue reading Climate Change Denial

Taking a Different Approach

On February 13th, Farhad Manjoo published a superb editorial in the Opinion section of the New York Times called Pretend It's Aliens. (I'd link it but I subscribe to the Times and it's behind a paywall.) His article "suggested" that maybe it could be a good idea to address climate change in the same manner … Continue reading Taking a Different Approach

Columbus’ Other Legacy

Did you know that in the century and a half after Christopher Columbus set foot in the New World in 1492, the invasion of the Spanish Conquistadors resulted in the deaths from all causes (i.e., introduction of smallpox and other diseases, mass slaughter, infrastructure collapse, etc.) of approximately 90% of the New World's inhabitants by … Continue reading Columbus’ Other Legacy

The Fragility of Life – Extinctions

The Four Horsemen have rampaged Earth all too many times.  The four horsemen of the Apocalypse, from the Bible's Book of Revelation. The four beings that ride white (Conquest), red (War), black (Famine) and pale (Death) horses. Remember Clint Eastwood's Preacher, on the Pale Horse in the film Pale Rider, who symbolized death? Terrific film. … Continue reading The Fragility of Life – Extinctions

Carlin’s Fleas

The Washington Post published an article (May 25th, 2018) citing a University of Reading (UK) Study indicating that 17 of the 18 warmest years on record have occurred since 2001. Multiple agencies (the US NOAA, the UK Met Office, and the World Meteorological Organization) reported that the last four years have been the warmest on record … Continue reading Carlin’s Fleas