Categories
-
Recent Posts
- Why the R/P Reserves to Production ratio does not show when oil will run out
- Catton on Collapse “Bottleneck: Humanity’s Impending Impasse”
- Book Review of Grain Brain: Extraordinary claim not backed up by evidence
- Why did everyone stop talking about Population & Immigration?
- What would happen if trucks stopped running?
- How to survive a nuclear winter
- The insect apocalypse will kill billions more people than climate change
- The war on drugs. A book review of “Chasing the scream”
- Peak crude oil did not happen in 2018. But we are still running out of time
- Sheriffs have too much power
- Book review “They poisoned the world: Life & death in the age of Forever Chemicals”
- John Howe on one child per woman: still too high to stay under limits to growth curves
- Ted Trainer: The radical implications of a zero growth economy
- Part 5 Raven Rock. Hidey holes for government and military officials to carry on democracy after nuclear war destroys the planet
- Become a Bison rancher
Category Archives: Extinction
Peak fossil fuels limits climate change to low-to-medium outcomes in IPCC report
Excerpts from 24 page: Höök, M., Tang, X. 2013. Depletion of fossil fuels and anthropogenic climate change: a review. Energy Policy, 52: 797-809 Conclusion of paper: Fossil fuel constraints will limit anthropogenic climate impact towards the low-medium outcomes presented by … Continue reading
Posted in ! PEAK EVERYTHING, But not from climate change: Peak Fossil Fuels, Climate Change, Supply Chains, Transportation
Tagged climate change, peak coal, peak natural gas, peak oil
Comments Off on Peak fossil fuels limits climate change to low-to-medium outcomes in IPCC report
Earth’s Magnetic Flips May Have Triggered Mass Extinctions
http://blogs.discovermagazine.com/d-brief/2014/06/10/earths-magnetic-flips-may-triggered-mass-extinctions/#.U5oyJ41dVXu Earth’s Magnetic Flips May Have Triggered Mass Extinctions At several times in Earth’s history, mass extinctions have come close to wiping life out altogether. The reasons for these catastrophes are still unclear – they’ve been blamed on everything from asteroid impacts to cosmic … Continue reading
Posted in Extinction
Comments Off on Earth’s Magnetic Flips May Have Triggered Mass Extinctions
Without a Trace ‘The Sixth Extinction,’ by Elizabeth Kolbert
Review by Al Gore Feb 10, 2014. New York Times. Over the past decade, Elizabeth Kolbert has established herself as one of our very best science writers. She has developed a distinctive and eloquent voice of conscience on issues arising … Continue reading
Posted in Extinction, Extinction Books
Comments Off on Without a Trace ‘The Sixth Extinction,’ by Elizabeth Kolbert
We’ve taken over too much of the planet for pasture and crops
In the article “Primeval planet: What if humans had never existed?” by Christopher Kemp in NewScientist, these charts of increasing intensity of pasture and crop land from 5000 BC (18,000,000 population) until 2000 (6,150,000,000 people) show that humans are laying … Continue reading
Posted in Extinction, Overpopulation
Tagged agriculture, aquifer depletion, biodiversity loss, crops, green house gas emissions, pasture, rangeland, topsoil erosion
Comments Off on We’ve taken over too much of the planet for pasture and crops
Phytoplankton have declined 40%: they provide food and oxygen for all creatures on Earth
This article from NewScientist discusses how phytoplankton are disappearing — and they provide half of the food animals both in the ocean and on land depend on, plus produce a great deal of the oxygen we breathe. Throw in overfishing, … Continue reading
Posted in Extinction, Fishery destruction, Global Warming, Mass Extinction, Oceans
Comments Off on Phytoplankton have declined 40%: they provide food and oxygen for all creatures on Earth
Why we might not go extinct from fossil fuel emissions
Peak Fossils means Peak Emissions and the lowest to medium IPCC projections at worst This is an overview, other posts in this category contain peer-reviewed papers that show why this is true. The heart of the problem is that the … Continue reading
Peak Coal already happened or likely soon, so worst IPCC scenarios may never happen
[ The good news is that The IPCC has greatly exaggerated the amount of coal reserves we actually have The scientists below find that the Intergovernmental Panel on Climate Change (IPCC) has greatly exaggerated coal reserves, so the IPCC scenario … Continue reading
Posted in But not from climate change: Peak Fossil Fuels, Climate Change, CO2 and Methane, Coal, Global Warming, Peak Coal, Planetary Boundaries, Runaway Greenhouse
Tagged peak coal
Comments Off on Peak Coal already happened or likely soon, so worst IPCC scenarios may never happen
20% of Invertebrate species threatened with extinction.
Brendan Borrell. Sep 3, 2012. One Fifth of Invertebrate Species at Risk of Extinction. Freshwater snails and reef-building corals are among the threatened groups. Nature & Scientific American. One in five of the world’s invertebrate species are threatened with extinction, … Continue reading
Posted in Biodiversity Loss, Extinction
Tagged extinct, extinction, invertebrate
Comments Off on 20% of Invertebrate species threatened with extinction.
Methane’s potential for another major extinction event
June 22, 2016. As Alaska warms, methane emissions appear stable, study finds. phys.org. Excerpts: One reason no increase has been seen may be that “Bacteria that produce methane and bacteria that consume methane will both become more active as temperatures … Continue reading
Posted in Extinction, Runaway Greenhouse
Comments Off on Methane’s potential for another major extinction event
Biodiversity loss impact on ecosystem worse than climate change and pollution
David U. Hooper, et al. A global synthesis reveals biodiversity loss as a major driver of ecosystem change. Nature, 2012; DOI: 10.1038/nature11118 “This analysis establishes that reduced biodiversity affects ecosystems at levels comparable to those of global warming or air … Continue reading
Posted in Biodiversity Loss, Extinction
Comments Off on Biodiversity loss impact on ecosystem worse than climate change and pollution