Study suggests increased atmospheric CO2 created a 30% growth in plant photosynthesis during last two centuries

From the UNIVERSITY OF CALIFORNIA – MERCED and the “CO2 is plant food, but, it’s still terrible department” (see text) Research shows global photosynthesis on the rise Plant photosynthesis was…

Effect of Atmospheric CO2 Concentrations on Early Human Societies

Guest essay by Don Healy During the past 100,000 years, human societies have witnessed the vast change in climate that has occurred as we have transitioned from a glacial period…

Where did the 2016 El Niño's heat come from?

Guest essay by Mike Jonas 1. The basic physics 2016 was claimed as the “hottest year ever”. Well, the hottest for a few centuries, anyway, if the global temperature measures…

CO2, Good or Bad?

Guest essay by Andy May This version corrects an error in the average concentration of water vapor in the atmosphere. The Earth’s dry atmosphere is 78% nitrogen, 21% oxygen and…

Study: Earth's vegetation is causing a global "pause" in CO2 growth

From the DOE/LAWRENCE BERKELEY NATIONAL LABORATORY and the Department of Hungry Biomass comes this encouraging news that throws cold water on climate alarmism. Study: Carbon-hungry plants impede growth rate of…

Watch Global CO2 jump with El Niño over time – then look at the whys

Robbie Andrew from the Center for International Climate and Environmental Research – Oslo has created an interesting animated graph showing the growth of CO2 in the atmosphere. While it has…

Serendipity yields a process to convert carbon dioxide directly into ethanol

OAK RIDGE, Tenn.,—In a new twist to waste-to-fuel technology, scientists at the Department of Energy’s Oak Ridge National Laboratory have developed an electrochemical process that uses tiny spikes of carbon…

From the No Schist, Sherlock Files: "Despite climate risks, utilities bet big on natural gas…"

Guest post by David Middleton For the fossil fuel industries, 2016 has been a terrible year. Amid historically low commodity prices and stricter environmental regulations, coal companies went bankrupt, oil…

A system for CO2 capture/conversion and electric power generation

Cornell scientists convert carbon dioxide, create electricity ITHACA, N.Y. – While the human race will always leave its carbon footprint on the Earth, it must continue to find ways to…

Lets Cook Limestone to Raise Atmospheric CO2 to 1000ppm

Guest essay by Eric Worrall The world has a CO2 problem – there is not enough free CO2 in the atmosphere, to maximise food production, alleviate world hunger, green deserts,…

El Nino drives fastest annual increase on record of carbon dioxide

From the UNIVERSITY OF EXETER The human-caused rise in atmospheric concentration of carbon dioxide is being given an extra boost this year by the natural climate phenomena of El Niño,…

The latest EIA CO2 emissions data shows that the U.S. is not a significant contributor to increasing global CO2 emissions.

U.S. overall energy related emissions are 12% below 2005 levels, and electricity generated related emissions are that of 1993. Guest essay by Larry Hamlin EIA data and analysis shows that…

The correlation between global population and global CO2

Guest  essay by Roger Graves Predictions of atmospheric CO2 levels at some future time are commonly made, usually with the object of assuring us that beyond a certain point our planet…

RCP 8.5: The "Mother of all" Junk Climate Science

Guest post by David Middleton Featured image borrowed from here. Nearly every catastrophic global warming doomsday scenario, particularity those involving icecap failures and Noah-size sea level rises are based on…

Oh Noes!!! Sea Level Rise to Double… Again!

Guest post by David Middleton Sea levels could rise far more rapidly than expected in coming decades, according to new research that reveals Antarctica’s vast ice cap is less stable…

Double The Atmospheric CO2? Fuggeddaboutit!

Guest Post by Willis Eschenbach On another thread here at WUWT we were discussing the Bern carbon dioxide model used by the IPCC. The Bern Model calculates how fast a…

Empirical Validation of the Exponential Decay for Surplus CO2

Guest essay by Leo Goldstein My new scientific paper Empirical Validation of the Exponential Decay for Surplus CO2 further validates the conclusion that surplus CO2 in the air decays exponentially.…

Analysis of the Relationship Between Land Air Temperatures and Atmospheric Carbon Dioxide Concentrations

Guest essay by Clyde H. Spencer Before getting into the details of the analysis, it must be stated that there are a number of issues with the available temperature data…

Study: Urban backyards contribute almost as much CO2 as much as cars and buildings

From the “mulch your way to a warmer planet” department and Boston University: Urban soils release surprising amounts of carbon dioxide Tracking biological emissions will allow more accurate assessments of climate…

USC: we can make fuel directly out of Carbon Dioxide

From the UNIVERSITY OF SOUTHERN CALIFORNIA and the “fuel out of thin air” department comes this announcement that says right off the bat it can’t compete with oil, especially when…

Energy, Carbon Dioxide, and The Pause

Guest essay by Ken Stewart Here’s an alternative way to view The Pause. Rather than analysing temperature trends over time, here I compare temperature with carbon emissions and carbon dioxide…

Attribution of Surplus CO2 in the Atmosphere

Guest essay by Leo Goldstein While we are watching the 21st episode of the Clowns on Parade series (COP21), we should remind the leading participants of a couple of facts…

Claim: positive CO2 feedback from plants due to "warm nights" will flood atmosphere with carbon

  From the PRINCETON UNIVERSITY and the department of 97% consensus and 911 Trutherism comes this study that I’d put zero stock in for two reasons: 1) Author William Anderegg,…

About spurious correlations and causation of the CO2 increase…

Guest essay by Ferdinand Engelbeen Both Bart Bartemis and Dr. Murray Salby are confident that temperature is the only/main cause of the CO2 increase in the atmosphere. I am pretty…