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Volume 22: August 2019
New material posted nearly every day!

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Last 15 Postings

Elevated Temperature and CO2 Reduce Potato Virus Y Transmission Rates (16 August 2019)
Rising levels of atmospheric CO2 and a warmer climate will significantly reduce aphid transmission rates of potato virus Y to Nicotiana benthamiana...

Plant Growth Database (15 August 2019)
Our latest result of plant growth responses to atmospheric CO2 enrichment obtained from experiments described in the peer-reviewed scientific literature is for Wheat (Macabuhay et al., 2018; grain yield). To access the entire database, click here.

Grassland Productivity Responses to Elevated CO2 (14 August 2019)
A 250 ppm increase in atmospheric CO2 boosted the aboveground net primary productivity of native Texas grasslands by 49%, 84% and 38% that were grown on sandy loam, silty clay and clay soil type treatments, respectively...

Plant Growth Database (13 August 2019)
Our latest result of plant growth responses to atmospheric CO2 enrichment obtained from experiments described in the peer-reviewed scientific literature is for Rice (Zhao et al., 2018). To access the entire database, click here.

The Interactive Effects of CO2, Phosphorus Supply and Cyanobacterial Inoculation on Cowpea (12 August 2019)
A small, 150 ppm, increase in atmospheric CO2 is sufficient to raise yields of this important leguminous crop by approximately 26 percent. And those yield improvements can be augmented further via application of soil phosphorus and cyanobacterial inoculation...

Plant Growth Database (9 August 2019)
Our latest result of plant growth responses to atmospheric CO2 enrichment obtained from experiments described in the peer-reviewed scientific literature is for Flat-topped Bogmoss (Newman et al., 2018). To access the entire database, click here.

The Positive Impact of Fossil Fuel Use on Terrestrial Net Primary Productivity (8 August 2019)
Global terrestrial net primary productivity increased from 56.2 to 66.0 Pg C/year since 1901 and fossil fuel combustion was the reason for that improvement...

Real-world Evidence that CO2 Emissions and Fossil Energy Enhance the Human Environment (2 August 2019)
Watch a video or read the text of a presentation given by Dr. Craig Idso at the 13th International Climate Conference.

Plant Growth Database (2 August 2019)
Our latest result of plant growth responses to atmospheric CO2 enrichment obtained from experiments described in the peer-reviewed scientific literature is for Red Bogmoss (Newman et al., 2018). To access the entire database, click here.

The Response of Four Woody Ecosystems to Atmospheric CO2 Enrichment (29 July 2019)
Based on an analysis of four long term (decade-long) CO2 enrichment experiments (to 550-700 ppm), the authors of this study calculated a decadal increase in ecosystem biomass due to CO2 of 29%, whereas the net primary productivity changed by a more modest 22.9%...

Plant Growth Database (29 July 2019)
Our latest result of plant growth responses to atmospheric CO2 enrichment obtained from experiments described in the peer-reviewed scientific literature is for European Beech (Uchytilová et al., 2019). To access the entire database, click here.

The Institute for the Human Environment (27 July 2019)
We announce the creation of a new Institute for the Human Environment (www.human-environment.org). Watch a video or read the text of a presentation by Dr. Craig Idso at the 13th International Climate Conference that explains the objective of this new endeavor. Please support us in this effort by donating here...

Elevated CO2 Helps Mitigate Growth Reductions in Pigeonpea Induced by Drought Stress (25 July 2019)
According to the authors of this study, their results demonstrate ďa coordinated and integrated mechanism in pigeonpea to cope with drought stress by taking advantage of elevated CO2.Ē And that is great news for the billions of persons in the developing world who rely on this key cash crop!...

The Impact of CO2 and Nitrogen Supply on Rice Yields (24 July 2019)
A 155 ppm increase in CO2 improved rice grain yield from 16.9 to 26.1% depending on nitrogen supply...

The Increasing Land Sink of the Northern Hemisphere (23 July 2019)
Over the past five decades, vegetation in the Northern Hemisphere has become ever more robust, adding to the growing body of evidence that Earthís terrestrial biosphere is reaping a tremendous benefit from the ongoing rise in the airís CO2 content...

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