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Why Vertical Farming Won't Save the Planet46:48

Why Vertical Farming Won't Save the Planet

244K views • 11 years ago
Utah State University Extension
Utah State plant scientist Bruce Bugbee presents his analysis of the energy and environmental costs of vertical and indoor farming. He argues artificial lighting cannot compete with sunlight in fields or greenhouses.
Topic match · Environment, agriculture & food systems
Turning Photons Into Food32:21

Turning Photons Into Food

97K views • 7 years ago
Apogee Instruments Inc.
Dr. Bruce Bugbee walks through the calculations for crop yield potential when light is the limiting factor, from photosynthetic quantum yield through respiration efficiency and harvest index, using the Energy Cascade Model.
Topic match · Environment, agriculture & food systems
The Most IMPORTANT Video You'll Ever See (part 1 of 8)9:18

The Most IMPORTANT Video You'll Ever See (part 1 of 8)

5.4M views • 19 years ago
wonderingmind42
Part 1 of a lecture by physicist Albert Bartlett on the exponential function and its consequences for population growth, resource use and energy. It argues that steady growth rates quickly lead to enormous quantities.
Topic match · Environment, agriculture & food systems
Arithmetic, Population and Energy -  a talk by Al Bartlett1:14:46

Arithmetic, Population and Energy - a talk by Al Bartlett

201K views • 13 years ago
lXlSalemlXl
Physicist Al Bartlett's well-known lecture on the arithmetic of exponential growth, applied to population, energy consumption and resource depletion. He argues that steady percentage growth cannot be sustained on a finite planet and that most public discussion ignores this.
Topic match · Environment, agriculture & food systems
Exponential Growth Arithmetic, Population and Energy, Dr. Albert A. Bartlett1:14:16

Exponential Growth Arithmetic, Population and Energy, Dr. Albert A. Bartlett

84K views • 11 years ago
Hiroob
A recording of physicist Albert Bartlett's well-known lecture on the arithmetic of exponential growth, applied to population and energy use. He argues that steady percentage growth in a finite world cannot continue and sneaks up suddenly.
Topic match · Environment, agriculture & food systems
Gwynne Dyer -- Geopolitics in a Hotter World1:31:53

Gwynne Dyer -- Geopolitics in a Hotter World

82K views • 16 years ago
The University of British Columbia
Historian and journalist Gwynne Dyer gives a long UBC talk on how climate change will reshape international politics. He covers food, borders, refugees and the possibility of unilateral geoengineering by affected nations.
Topic match · Climate policy, solutions & debate
Jancovici : Can we save energy, jobs and growth at the same time ? 08/01/20181:27:10

Jancovici : Can we save energy, jobs and growth at the same time ? 08/01/2018

46K views • 8 years ago
Jean-Marc Jancovici
Jean-Marc Jancovici lectures at ENS Paris on whether energy use, jobs and growth can all be preserved. He argues for a physical approach to economics, since resource depletion and climate limits make perpetual GDP growth unrealistic.
Topic match · Climate policy, solutions & debate
How to Enjoy the End of the World1:03:31

How to Enjoy the End of the World

167K views • 7 years ago
Sid Smith
A Virginia Tech presentation by Sid Smith about collapse, fossil fuels and overshoot, arguing that industrial civilization faces a decline and how one might live with that. It was later expanded into a video series.
Topic match · Earth & energy (other)
"Energy Revolution? More like a Crawl" - Dr. Vaclav Smil1:48:56

"Energy Revolution? More like a Crawl" - Dr. Vaclav Smil

59K views • 11 years ago
Trottier Institute for Sustainability in Engineering and Design
Energy scholar Vaclav Smil argues that global energy transitions are slow and that renewable targets should not rest on wishful thinking. He appraises how energy dependencies are likely to change and asks for using much less.
Topic match · Climate policy, solutions & debate
Arithmetic, Population and Energy - FULL LENGTH1:14:16

Arithmetic, Population and Energy - FULL LENGTH

191K views • 14 years ago
kip399
Physicist Albert Bartlett's full-length lecture on how steady exponential growth in population and energy use collides with finite resources. It uses examples like bacteria in a bottle and covers peak oil.
Topic match · Climate policy, solutions & debate
1. Introduction to Human Behavioral Biology57:15

1. Introduction to Human Behavioral Biology

20.5M views • 15 years ago
Stanford
The opening lecture of Robert Sapolsky's Stanford course on Human Behavioral Biology, explaining the course premise and how to avoid categorical thinking. It starts a roughly 25-lecture series on how biology, genes, hormones and environment shape behavior.
Marty Lobdell - Study Less Study Smart59:56

Marty Lobdell - Study Less Study Smart

25.5M views • 15 years ago
Pierce College District WA
Psychology professor Marty Lobdell gives a one-hour lecture on how to study effectively, covering short focused sessions with breaks, study environment, note-taking and memory techniques. It was aimed at students who cram without improving.
This is how you treat ADHD based off science, Dr Russell Barkley part of 2012 Burnett Lecture13:47

This is how you treat ADHD based off science, Dr Russell Barkley part of 2012 Burnett Lecture

5.1M views • 12 years ago
Adhd Videos
A short excerpt from Dr Russell Barkley's 2012 Burnett Lecture on ADHD, focused on treatment. He argues ADHD is a disorder of executive function and self-regulation, and that environments should be designed to compensate.
Building Your Own Dynamic Language1:14:32

Building Your Own Dynamic Language

21K views • 18 years ago
Stanford
Ian Piumarta's 2007 Stanford EE380 lecture on building a dynamic programming environment from the ground up, from the Viewpoints Research Institute's work. It covers the design of a language and system with a recursive design, parsing through code generation, and the COLA architecture.