Categories
-
Recent Posts
- “More and More and More” one of the best books on energy ever written
- The staggering destruction of knowledge by Christians in the Roman Empire
- The staggering cost of Net Zero in Britain
- 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 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
Tag Archives: sperm
Spermageddon: Sperm is declining around the world
The rate sperm concentration is falling globally from samples collected from 1972 to 2000 (orange) and since 2000 (red) Source: Davies 2022 Preface. I’ve been seeing this issue in science news for years now. Scientific data has accumulated long enough … Continue reading
Posted in Extinction, Limits To Growth
Tagged decline, extinction, sperm
Comments Off on Spermageddon: Sperm is declining around the world