Warning! We’re depressing biodiveristy below safe levels.

Summary: We have been shaping Earth's biosphere for millennia, but increasing population and technology have exponentially increased our impacts. Research has begun to quantify our net impact and establish levels beyond which the damage becomes serious or terminal. Here's the latest study. This problem will grow worse as population and incomes grow during the next … Continue reading Warning! We’re depressing biodiveristy below safe levels.

Are 30 thousand species going extinct every year?

The Sixth Extinction

Summary: The warnings become increasingly dire and shrill as we approach November’s United Nations Climate Change Conference in Paris. One theme warns about the increasing rate of extinctions, described with astonishing numbers -- and projected to add humanity to the endangered species list. As usual, these claims distract attention from serious and imminent threats, such … Continue reading Are 30 thousand species going extinct every year?

“Climate Change: The Need to Act Now”

Summary: Congressional hearings often bring America's best to testify, long-form analysis about our greatest problems. Such as what scientists know about the effects of climate change on Earth's plants and animals. It's one expert's perspective, and so more interesting than the blander consensus view of the IPCC. Written for us non-scientists, with lots of detail, … Continue reading “Climate Change: The Need to Act Now”

The real pirates sailing the seas, in whom we have no interest and from which we will suffer massive damage

Summary:  Pirates roam the seas, doing massive damage but avoiding retribution from the world's civilized nations.  Because they're invisible!   To stop this scourge we must overcome our blindness.  We can do so, if we wish to do so. Somalia's pirates are a trivial threat to the world's economy and political regime.  A more serious threat are … Continue reading The real pirates sailing the seas, in whom we have no interest and from which we will suffer massive damage