Globe
Saturday
Mar042017

Upright Dinosaurs

Paleontologists at the University of Alberta, have developed a new theory, to explain why the ancient ancestors stopped moving about on all fours, and rose up on just their two legs. Yep, it's quite simple. They had long tails which created all the balance they needed.

I wonder how long it took them to figure that out?

Thursday
Mar022017

Farmed-Here Shuts Down

Hey, many Canadian Growers, including myself have been cynical about. indoor vertical farming,ever since the main-stream media started pushing the technology, as the saviour of our 'broken' traditional agricultural system. Hey, we simply knew that any large warehouse growing business in the Suburbs, would not survive.

"Here Holdings, the parent company of 'Farmed-Here' said high labour and energy costs and competition in the market place caused them to shut down.

I think, that paying $23 million for the warehouse, plus the aquaponic system that provided the crop nutrients, prove to be a very expensive way to grow greens and herbs.

Wednesday
Mar012017

Greenhouses Need Carbon Dioxide

Carbon dioxide (CO2) is a plant food.  The CO2 concentration in the atmosphere has been increasing for the last 150+ years thanks to human activity, due to extracting and consuming fossil fuels, as well as land use changes. The added CO2 has benefited and continues to benefit natural systems and agriculture.  Scientists estimate that 15% of the current agricultural production comes from elevated CO2.For most of Earth’s evolutionary history, the CO2 concentrations were much higher than they are today or that they can reach in the foreseeable future. For example, the CO2 concentration in the Jurassic period was 3-6 times higher than it is today.

The so-called “pre-industrial atmosphere” was anomalously impoverished in CO2. Our sun is the main source of energy on the Earth’s surface. Heat is removed from the Earth’s surface and lower atmosphere through multiple mechanisms, including convection and radiation.  Earth radiates in the infrared spectrum.  Gases with molecules having three or more atoms are infrared-active: their molecules can absorb and emit radiation in specific parts of the infrared spectrum.  The main infrared-active gas in the Earth atmosphere is water vapor.  CO2 plays a very minor role, except during ice ages.  Further, it has a very narrow absorption/emission spectrum, and it is almost saturated even at low CO2  The amount of infrared radiation, temporarily absorbed by CO2 molecules in the atmosphere, grows nearly logarithmically (i.e., very slowly) with increases in CO2 concentrations.

Thus, the anthropogenic increase in atmospheric CO2 concentration has an extremely small warming effect, which is negligible compared with natural temperature fluctuations in any region. Even larger mean warming would be beneficial for human societies and the biosphere, especially as a buffer against natural temperature drops.

A greenhouse is a man-made construction, minimizing air convection that removes heat from the ground and thus increasing the inside air temperature. Most greenhouses are artificially enriched with CO2 to facilitate plants’ growth.  CO2 plays no role in heat retention in a greenhouse!

Monday
Feb272017

Everly Brothers - Bye Bye Love

Sunday
Feb262017

Who are the Boomers