Biodiversity

Could Life Have Fueled Death in Earth's Past? Are There Lessons for the Present and Future?

Len Rosen's picture

The Great Dying happened 252 million years ago. This mass extinction event at the end of the Permian wiped out 90% of life on Earth. What caused it?

There are lots of theories.

Latest Climate Panel Report Assesses Current and Future Risk

Len Rosen's picture

Climate change and global warming remains a "hot" topic, no pun intended. In the latest release, the Intergovernmental Panel on Climate Change (IPCC) describes the current impact of planetary warming, where we humans are vulnerable in the near future, and how we will have to adapt. With its opening statement, "Human interference with the climate system is occurring," the report no longer hedges on probability and pulls no punches in describing the near future. What is the big picture?

An Update on NASA Doomsday Scenario Paper

Len Rosen's picture

March 21, 2014 - I received an e-mail this morning from Melissa Andreychek, Communications Coordinator, The National Socio-Environmental Synthesis Center, University of Maryland, which contained the following information release pertaining to my recent posting about a NASA doomsday scenario. Here is the content which she provided me through a link:

Hate to be a Nag About Climate Change But Here Goes

Len Rosen's picture

March 12, 2014 - Three items came across my desk the last few days and all of them relate to the risks and challenges we face globally by failing to act or ignoring the evidence of climate change.

Nature is Not Human-Centric

Thomas Frey's picture

One of my pet peeves with the food industry has been the association of “all natural” with “good for you.” Not everything found in nature is good for you. Things like poison ivy, hemlock, chrysanthemums, and rhododendrons are poisonous. Weather events such as tornadoes, hurricanes, and hailstorms can also be massively destructive. Even viruses and diseases can be considered “natural.”

The Economic Impact on Farmland by Climate Change

Len Rosen's picture

January 21, 2014 - A new study done by Oxford University's Smith School indicates that global farmland may take a financial hit amounting to as much as $8 trillion U.S.

The Goldilocks Zone Isn't Exactly What We Thought

Len Rosen's picture

December 18, 2013 - In this week's issue of the journal, Nature, a new exoplanet climate model redefines the

EGO versus ECO, Happiness versus Growth: Changing the Human Paradigm

Len Rosen's picture

December 12, 2013 - Some food for thought before the arrival of Christmas 2013 and the developing of resolutions for the coming year 2014.

What is in our near future? What I hope and what I think are two different things. As a result I ask and suggest some answers to these three questions:

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