A5068683368- Geology and Paleoclimatology Research
- Global Energy and Sustainability Research
- Space Science and Extraterrestrial Life
- Earth Systems and Cosmic Evolution
- Paleontology and Stratigraphy of Fossils
- Origins and Evolution of Life
- Political Economy and Marxism
- Methane Hydrates and Related Phenomena
- Astro and Planetary Science
- Lichen and fungal ecology
- Climate Change Policy and Economics
- Elite Sociology and Global Capitalism
- Planetary Science and Exploration
- Scientific Research and Discoveries
- Hydrocarbon exploration and reservoir analysis
- Atmospheric and Environmental Gas Dynamics
- Pharmaceutical Economics and Policy
- Economic Theory and Policy
- Photoreceptor and optogenetics research
- Sustainable Development and Environmental Policy
- Marine and environmental studies
- Building materials and conservation
- Sustainability and Ecological Systems Analysis
- Climate Change and Geoengineering
- Art History and Market Analysis
Howard University
2011-2023
Knox College
2021
Biolog (United States)
2020
University of Pittsburgh
2013
AR2i
2003
New School
1960-1996
University of Washington
1979-1987
Brown University
1977
University of North Carolina at Chapel Hill
1973
Columbia University
1955-1958
The degrowth program is highly problematic because of its failure to analyze the qualitative aspects economic growth and emphasis on local economy without recognizing urgency addr...
The idea that living things and the atmosphere, oceans, soils comprise an interactive, self-regulating system-the Gaia concept-was first proposed nearly thirty years ago. Since then researchers have been seeking new connections between life global environment. David Schwartzman contributes to search by examining how Earth's biosphere regulates itself over geologic time. Emphasizing long-term trends-not short-term perturbations received so much media attention (e.g., so-called greenhouse...
The continuing use of Georgescu-Roegen's theory entropy by neo-Malthusians as foundational support for their views comes no surprise. Lately, those warning a Hubbert Peak apocalypse have commonly drawn from the same conceptual well. But unfortunately even Marxist scholars still do same. Paul Burkett's recent paper supporting fourth law thermodynamics attempts to seek convergence with ecological economics. However, this attempt is undermined very shaky foundations theory. In particular,...
ABSTRACT The isotopic composition and concentrations of lead were measured, using mass spectrometric analysis, in blood drawn from 14 young children who lived Washington, D.C. ambient air, which reflects the changing sources gasoline lead, was also determined for period sampling. Blood ranged 4.38 to 24.7 μg/100 g blood. Based on linear patterns that involved ratios all four isotopes consistent with two component mixing, we estimate a minimum contribution recent ranging 0 57% burden.
Let me first provoke: the lack of strategic thinking is great deficiency much what calls itself Left today. Saying or even demonstrating with eloquence that capitalism must be repla...
The “practical struggle” opening up a path to socialist future is now compelled confront the looming threat of ecocatastrophe stemming from climate change. In what follows, other interlinked f...
The biotic enhancement of weathering (BEW) has important implications for the long-term carbon cycle, in particular as a driver climatic cooling. BEW factor is defined how much faster silicate sink under conditions than abiotic at same atmospheric pCO<sub>2</sub> level and surface temperature. its evolution over geological time can potentially be inferred from consideration empirical theoretical studies. Estimates global magnitude are presented, drawing laboratory, field, watershed data...
The long-term carbon cycle regulates Earth's climate and atmospheric CO2 levels over multimillion-year timescales, but it is not clear that this system has a single steady state for given input rate of CO2. In paper we explore the possibility multiple states in system. Using simple box model, show location precipitation bands around tropics high mid-latitudes, coupled with response terrestrial biosphere to local surface temperature, can result bi-stability. Here, maximum drawdown occur when...
Catastrophic climate change (C3) is inevitable if carbon emissions to the atmosphere are not rapidly reduced and now unsafe atmospheric level (400 ppm) CO2 (and rising) brought down by sequestration technologies below 350 ppm. C3 prevention possible with replacement of global fossil fuel supplies wind, concentrated solar power photovoltaics, main obstacle being political economy capitalism, specifically Military Industrial (Fossil Fuel, Nuclear, State Terror) Complex. likely requires...
We speculate that heterotrophic and/or silica-rich eukaryotic microorganisms maybe an important part of the lichen symbiosis. None very few studies protists associated with lichens have considered possibility they may be functional significance in Here we start to develop, currently speculative, theoretical ideas about their potential significance. For example, all protist taxa identified sampled Ohio USA depend on silica for growth and construction cell walls, this could suggest symbionts...