The artificial tree: the "green" replacement for real trees?

Guest essay by Eric Worrall Is the artificial tree the solution to climate change? There have been a number of stories advocating artificial trees recently. Proponents of artificial trees believe that normal trees haven’t got the capacity to deliver the CO2 reductions they want. They insist we should try to improve on nature, by replacing…

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Weekly Climate and Energy News Roundup #194

The Week That Was: 2015-08-29 (August 29, 2015) Brought to You by SEPP (www.SEPP.org) The Science and Environmental Policy Project THIS WEEK: By Ken Haapala, President, Science and Environmental Policy Project (SEPP) Divergence: It is summertime in the US, and temperatures are warmer. Several readers have asked TWTW for comments on the recent claims that July…

Climate issues we need to address

We need to fix the climate of fraud, corruption, and policies that kill jobs, hope and people Guest essay by Paul Driessen Reeling stock markets across the globe hammered savings, pension funds, innovation and growth. US stocks lost over $2 trillion in market value in eight days, before rallying somewhat, while the far smaller Shanghai…

The Hood Robin Syndrome

Guest Post by Willis Eschenbach There’s a new study out, under the imprimatur of the Energy Institute of the Haas School of Business in Berkeley, California, entitled The Distributional Effects of U.S. Clean Energy Tax Credits.  As the title implies, it looks at who actually profited from the various “green energy” tax credits across the United…

Where Is the Top Of The Atmosphere (TOA)?

Guest opinion: Dr. Tim Ball On WUWT, Bob Tisdale recently examined the disparity of results between IPCC models in “No Consensus: Earth’s Top of Atmosphere Energy Imbalance in CMIP5-Archived (IPCC AR5) Climate Models” and wrote that “There are astonishing differences in the modeled estimates of the past, present and future imbalances and the three components that make…

How fast is the Earth warming?

This article presents a method for calculating the Earth’s rate of warming, using the existing global temperature series. Guest essay by Sheldon Walker It can be difficult to work out the Earth’s rate of warming. There are large variations in temperature from month to month, and different rates can be calculated depending upon the time…