{"id":450985,"date":"2026-06-18T08:05:53","date_gmt":"2026-06-18T15:05:53","guid":{"rendered":"https:\/\/climatescience.press\/?p=450985"},"modified":"2026-06-18T08:05:55","modified_gmt":"2026-06-18T15:05:55","slug":"net-zero-can-never-be-worth-it","status":"publish","type":"post","link":"https:\/\/climatescience.press\/?p=450985","title":{"rendered":"Net Zero Can Never Be Worth it"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"723\" height=\"402\" data-attachment-id=\"450989\" data-permalink=\"https:\/\/climatescience.press\/?attachment_id=450989\" data-orig-file=\"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2026\/06\/AQMiCFZlSf_jTgx-ufThw1S6TpceJ51rF3mH_TWcfPwDM43roPLmX0aBL2rNnUQ3Y8JxBsXsfxwRROI7Tx7AhxsPG_L2eMocdX-o3kS8hbmHcZ5u8mcCnY0z3_jkIFhx.jpeg?fit=1596%2C887&amp;ssl=1\" data-orig-size=\"1596,887\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;,&quot;alt&quot;:&quot;&quot;}\" data-image-title=\"AQMiCFZlSf_jTgx-ufThw1S6TpceJ51rF3mH_TWcfPwDM43roPLmX0aBL2rNnUQ3Y8JxBsXsfxwRROI7Tx7AhxsPG_L2eMocdX-o3kS8hbmHcZ5u8mcCnY0z3_jkIFhx\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2026\/06\/AQMiCFZlSf_jTgx-ufThw1S6TpceJ51rF3mH_TWcfPwDM43roPLmX0aBL2rNnUQ3Y8JxBsXsfxwRROI7Tx7AhxsPG_L2eMocdX-o3kS8hbmHcZ5u8mcCnY0z3_jkIFhx.jpeg?fit=723%2C402&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2026\/06\/AQMiCFZlSf_jTgx-ufThw1S6TpceJ51rF3mH_TWcfPwDM43roPLmX0aBL2rNnUQ3Y8JxBsXsfxwRROI7Tx7AhxsPG_L2eMocdX-o3kS8hbmHcZ5u8mcCnY0z3_jkIFhx.jpeg?resize=723%2C402&#038;ssl=1\" alt=\"\" class=\"wp-image-450989\" srcset=\"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2026\/06\/AQMiCFZlSf_jTgx-ufThw1S6TpceJ51rF3mH_TWcfPwDM43roPLmX0aBL2rNnUQ3Y8JxBsXsfxwRROI7Tx7AhxsPG_L2eMocdX-o3kS8hbmHcZ5u8mcCnY0z3_jkIFhx.jpeg?resize=1024%2C569&amp;ssl=1 1024w, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2026\/06\/AQMiCFZlSf_jTgx-ufThw1S6TpceJ51rF3mH_TWcfPwDM43roPLmX0aBL2rNnUQ3Y8JxBsXsfxwRROI7Tx7AhxsPG_L2eMocdX-o3kS8hbmHcZ5u8mcCnY0z3_jkIFhx.jpeg?resize=300%2C167&amp;ssl=1 300w, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2026\/06\/AQMiCFZlSf_jTgx-ufThw1S6TpceJ51rF3mH_TWcfPwDM43roPLmX0aBL2rNnUQ3Y8JxBsXsfxwRROI7Tx7AhxsPG_L2eMocdX-o3kS8hbmHcZ5u8mcCnY0z3_jkIFhx.jpeg?resize=768%2C427&amp;ssl=1 768w, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2026\/06\/AQMiCFZlSf_jTgx-ufThw1S6TpceJ51rF3mH_TWcfPwDM43roPLmX0aBL2rNnUQ3Y8JxBsXsfxwRROI7Tx7AhxsPG_L2eMocdX-o3kS8hbmHcZ5u8mcCnY0z3_jkIFhx.jpeg?resize=1536%2C854&amp;ssl=1 1536w, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2026\/06\/AQMiCFZlSf_jTgx-ufThw1S6TpceJ51rF3mH_TWcfPwDM43roPLmX0aBL2rNnUQ3Y8JxBsXsfxwRROI7Tx7AhxsPG_L2eMocdX-o3kS8hbmHcZ5u8mcCnY0z3_jkIFhx.jpeg?resize=640%2C356&amp;ssl=1 640w, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2026\/06\/AQMiCFZlSf_jTgx-ufThw1S6TpceJ51rF3mH_TWcfPwDM43roPLmX0aBL2rNnUQ3Y8JxBsXsfxwRROI7Tx7AhxsPG_L2eMocdX-o3kS8hbmHcZ5u8mcCnY0z3_jkIFhx.jpeg?resize=1200%2C667&amp;ssl=1 1200w, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2026\/06\/AQMiCFZlSf_jTgx-ufThw1S6TpceJ51rF3mH_TWcfPwDM43roPLmX0aBL2rNnUQ3Y8JxBsXsfxwRROI7Tx7AhxsPG_L2eMocdX-o3kS8hbmHcZ5u8mcCnY0z3_jkIFhx.jpeg?w=1596&amp;ssl=1 1596w, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2026\/06\/AQMiCFZlSf_jTgx-ufThw1S6TpceJ51rF3mH_TWcfPwDM43roPLmX0aBL2rNnUQ3Y8JxBsXsfxwRROI7Tx7AhxsPG_L2eMocdX-o3kS8hbmHcZ5u8mcCnY0z3_jkIFhx.jpeg?w=1446&amp;ssl=1 1446w\" sizes=\"auto, (max-width: 723px) 100vw, 723px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/dailysceptic.org\/2026\/06\/17\/net-zero-can-never-be-worth-it\/#comments\">The Daily Sceptic<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">By&nbsp;<a href=\"https:\/\/dailysceptic.org\/author\/matt-ridley\/\">Matt Ridley<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>This is the sixth in a series of 12 articles challenging climate change orthodoxy commissioned by Professor Gwythian Prins. We will be publishing the articles at a rate of one a week&nbsp;(read the first article&nbsp;<a href=\"https:\/\/dailysceptic.org\/2026\/05\/13\/the-green-titanic-hits-the-iceberg-of-reality\/\">here<\/a><\/em>,&nbsp;<em>the second&nbsp;<a href=\"https:\/\/dailysceptic.org\/2026\/05\/20\/the-clouds-of-uncertainty-that-render-all-climate-models-useless\/\">here<\/a>, the third&nbsp;<a href=\"https:\/\/dailysceptic.org\/2026\/05\/27\/how-can-we-persuade-climate-alarmists-to-acknowledge-there-are-two-sides-to-this-argument\/\">here<\/a><\/em>,&nbsp;<em>the fourth&nbsp;<a href=\"https:\/\/dailysceptic.org\/2026\/06\/03\/how-corrupted-science-poisoned-society\/\">here<\/a>&nbsp;and the fifth&nbsp;<a href=\"https:\/\/dailysceptic.org\/2026\/06\/11\/the-backlash-against-net-zero-is-gathering-steam-across-europe\/\">here<\/a>). The hope is that they can be collected into a book for Sixth Formers and university students.<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">According to the BBC, climate change has become more alarming during the 21st century. What they once called global warming they now call global heating; what they once called climate change they now call the climate crisis. If it is a crisis, then official estimates of the damage that climate change has done and will do if the models prove accurate should be easy to obtain. They are not.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The technical term for this damage is \u2018the social cost of carbon\u2019, meaning the net value in dollars of harm done today and in the whole of the future by each tonne of extra carbon dioxide added to the atmosphere. This includes damage to people\u2019s living standards, to infrastructure, to peace of mind, to the natural environment, to everything.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Yet here is a strange thing. The British Government, though obsessed with carbon, no longer estimates or considers the social cost of carbon \u2013 at all. Its&nbsp;<a href=\"https:\/\/www.gov.uk\/government\/collections\/carbon-valuation--2#social-cost-of-carbon\" target=\"_blank\" rel=\"noopener\">official position<\/a>&nbsp;is that \u201ccarbon valuation for policy appraisal no longer uses the social cost of carbon\u201d. It gave up estimating this measure of the net harm from future climate change in 2008.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Why? That\u2019s easy: because scientists and economists just could not get the number up high enough to surpass the cost of reducing emissions. As the economists Sir Nicholas Stern and Joseph Stiglitz put it in a&nbsp;<a href=\"https:\/\/rooseveltinstitute.org\/wp-content\/uploads\/2022\/01\/RI_Social-Cost-of-Carbon_202201-1.pdf\" target=\"_blank\" rel=\"noopener\">recent paper<\/a>: \u201cThe interim values produced by the Interagency Working Group (IAWG) on the SCC range from $62 by 2030 to $85 in 2050 (assuming an average discount rate of 3%) \u2014 values far lower than those needed to limit warming to well below 2\u00b0C or reach net zero by 2050.\u201d<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Says a former senior UK official: \u201cIt was embarrassing. You see we couldn\u2019t find a mitigation policy with an abatement&nbsp;cost&nbsp;even close to the&nbsp;Social&nbsp;Cost, let alone below it.\u201d Policies that cost more than the damage they are intended to redress do not make sense.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In his eponymous report in 2006, Stern had tried to solve this conundrum by adopting unusually low discount rates, so that damage done 50 years from now is treated as almost as harmful as damage done today. But this was not convincing: in the real world nobody values a pound of harm 50 years hence the same as a pound of harm today. After all, your grandchildren will be much richer than you when they face future harms, according to official projections. As Bjorn Lomborg has shown, the United Nations expects the average person by 2100 to earn 434% of today\u2019s income \u2013 reduced from 450% by climate change \u2013 so it\u2019s a bit harsh to ask today\u2019s poor to pay the bills of tomorrow\u2019s rich. Posterity can pay posterity\u2019s bills.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Stern later tried a&nbsp;<a href=\"https:\/\/rooseveltinstitute.org\/wp-content\/uploads\/2022\/01\/RI_Social-Cost-of-Carbon_202201-1.pdf\" target=\"_blank\" rel=\"noopener\">different approach<\/a>, abandoning the social cost of carbon and replacing it with a \u201cmarginal abatement cost\u201d which \u201caims to produce a price pathway that efficiently moves policy and economic activity toward a given target\u201d. In other words, don\u2019t estimate the damage, just assume it\u2019s big enough to justify the cost of preventing it. Hey presto!<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The American government took a different approach. It stuck with the social cost of carbon but bumped it up as high as it could. In 2023, the Biden administration quintupled its estimate of the social cost of carbon in 2030 to $220 per tonne, assuming a 2% discount. It justified this mostly by referring to a 2017 paper that had reanalysed another set of data on the effect of climate change on agricultural yields, published in 2014. Increasing future crop yield damage was the biggest contributor to the new cost, dwarfing the cost of damage from storms, droughts, sea-level change and other effects.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The 2014 study, which was a meta-analysis of many different studies, had, awkwardly, concluded that the net effect of extra carbon dioxide on crop yields was, and would continue to be, positive, not negative. The&nbsp;<a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/29151575\" target=\"_blank\" rel=\"noopener\">2017 re-analysis<\/a>, done by scientists from California-Davis, Stanford and Purdue universities, reversed that conclusion. This struck the economist Ross McKitrick of the University of Guelph in Canada as peculiar. After all, commercial greenhouses routinely spend money purchasing carbon dioxide to pump into the air inside them, because it boosts the yield of tomatoes, strawberries and everything else.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">So McKitrick went back through the studies considered by the meta-analysis, all 1,722 of them, and recalculated the effect on crop yields. He&nbsp;<a href=\"https:\/\/www.nature.com\/articles\/s41598-025-90254-2\" target=\"_blank\" rel=\"noopener\">found<\/a>&nbsp;that the 2017 reanalysis had omitted 360 perfectly valid sets of data on the effect of carbon dioxide itself on crops, and considered climate change alone. He put these data back in and \u2013 bingo! \u2013 the overall effect of carbon dioxide on crop yields goes from $100 per tonne negative to significantly positive, and will remain so even if the world warms by a highly unlikely five degrees Centigrade.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For example, the 2017 study had found wheat yield would fall by 36.7% with a two-degree warming, and rice by 4%; McKitrick corrected that to a rise of 8% and 7% respectively by including the effect of carbon dioxide fertilisation. Yes, you read that right: by leaving out carbon dioxide\u2019s direct effect, the previous study had wrongly turned net benefit into net harm.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Scores of laboratory studies and so called FACE studies (free-air concentration experiments) have over the past few decades surprised plant scientists by showing that the \u2018greening\u2019 effect of extra carbon dioxide is large even in forest ecosystems. They had expected other factors such as water and nutrients to be limiting, but no, for many ecosystems and crops, extra carbon dioxide can increase growth rates well beyond this century\u2019s probable levels.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Moreover, it has now been&nbsp;<a href=\"https:\/\/www.thegwpf.org\/publications\/matt-ridley-global-warming-versus-global-greening\/\" target=\"_blank\" rel=\"noopener\">proved<\/a>&nbsp;beyond all doubt that the world is indeed a greener place than it was 40 years ago thanks to the rise in carbon dioxide in the atmosphere. The numbers are striking. Satellite data show that almost all ecosystems, from the Arctic to the tropics, from desert to rainforest, from farmland to wilderness, have grown greener in the past four decades \u2013 by about 15% in 33 years. So have marine ecosystems, whether based on phytoplankton, corals or seaweed: all are growing faster.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">It may seem surprising that such a slight change in the composition of the atmosphere \u2013 from just below 0.03% carbon dioxide to just above 0.04% in four decades \u2013 could have such a large effect on the world\u2019s ecosystems. But it is no more surprising than that such a small change could affect the world\u2019s temperature. Plants must open their pores \u2013 stomata \u2013 to inhale CO<sub>2<\/sub>&nbsp;and in doing so they lose water, so&nbsp;<a href=\"https:\/\/science.nasa.gov\/earth\/climate-change\/co2-is-making-earth-greenerfor-now\/\" target=\"_blank\" rel=\"noopener\">any increase in CO<sub>2<\/sub>&nbsp;levels helps them reduce water loss<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Moreover, the&nbsp;<a href=\"https:\/\/www.nature.com\/articles\/s41586-018-0411-9\" target=\"_blank\" rel=\"noopener\">greening trend is continuing<\/a>, indeed&nbsp;<a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S2351989423004262\" target=\"_blank\" rel=\"noopener\">slightly accelerating<\/a>, and ingenious analysis shows that the biggest cause is the&nbsp;<a href=\"https:\/\/science.nasa.gov\/earth\/climate-change\/co2-is-making-earth-greenerfor-now\/\" target=\"_blank\" rel=\"noopener\">increase in carbon dioxide<\/a>&nbsp;rather than warming, wetting, farming or tree planting \u2013 though reforestation is also contributing to global greening and now exceeds deforestation globally. The effect is strongest in arid areas and is huge: equivalent over the course of 33 years to adding an area of green vegetation \u201cabout two-times the size of mainland USA\u201d in the words of Zaichun Zhu of Peking University. Global greening is, in fact, a more certain scientific fact than global warming, where doubt persists over the relative contribution of man-made and natural causes.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Putting a monetary value on greener forests, with more food for caterpillars and monkeys, is not easy but can be done. Higher crop yields are easier to value. They have a monetary worth in themselves but by reducing hunger, lowering food prices and lowering the amount of land needed to feed the world, they also add materially to human welfare.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Global greening is thus the biggest and most conspicuous effect of rising carbon dioxide emissions. Remember that the effects of greenhouse gases on much of the climate have so far refused to show up: storms, cyclones and tornados have not grown stronger or more frequent; wild fires are less frequent than in centuries past except where poor land management practices have encouraged them; floods have shown no consistent trend except where deforestation and drainage have made them locally worse;&nbsp;<a href=\"https:\/\/www.nature.com\/articles\/sdata20141\/figures\/5\" target=\"_blank\" rel=\"noopener\">droughts<\/a>&nbsp;have slightly declined on a global scale, as warmer oceans release more moisture into the atmosphere.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Heatwaves and sudden downpours are showing a very slight signal of increased intensity but neither is very harmful on a global scale. Note, too, that fatalities caused by all meteorological phenomena are&nbsp;<a href=\"https:\/\/climatechangedispatch.com\/lomborg-dramatic-decline-in-climate-related-deaths-persists-thru-2022\/\" target=\"_blank\" rel=\"noopener\">falling<\/a>, not rising: deaths from famine, flood, fire and storm are down by 96% in a century \u2013 from 485,000 per year in the 1920s to 18,362 per year in the 2010s. This is not because weather is less dangerous but because we are better at warning, protecting and assisting people.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">True, rising sea level as a result of melting glaciers and thermal expansion of sea water is the biggest of the potential costs of carbon dioxide. The rate at which sea level is rising has&nbsp;<a href=\"https:\/\/www.nature.com\/articles\/s43247-024-01761-5\/figures\/1\" target=\"_blank\" rel=\"noopener\">accelerated<\/a>&nbsp;from about 2mm a year in 1992 to 4.5mm a year in 2024 or less than two feet per century. But it will have to accelerate faster than that to do significant harm this century. Most Pacific and Indian Ocean islands are&nbsp;<a href=\"https:\/\/www.sciencedirect.com\/science\/article\/abs\/pii\/S2213305421000059\" target=\"_blank\" rel=\"noopener\">gaining land from the sea<\/a>, and Antarctica is currently&nbsp;<a href=\"https:\/\/scienceblog.com\/sciencechina\/2025\/05\/04\/antarctic-ice-sheet-records-surprising-mass-gain-after-decade-of-accelerated-loss\/\" target=\"_blank\" rel=\"noopener\">gaining rather than losing ice<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Oh, and do not forget that the warming that results from the greenhouse effect is stronger at night, in winter and in the north. That means it is weaker in the daytime, in summer and in the tropics. The upward trend in daytime temperatures in&nbsp;<a href=\"https:\/\/x.com\/RyanWeather\/status\/1908749014922592373\/photo\/1\" target=\"_blank\" rel=\"noopener\">tropical regions<\/a>&nbsp;is small. Far more people live in the tropics than the Arctic, and most are active in the daytime so again the impact of global warming is correspondingly less. Around nine times as many people&nbsp;<a href=\"https:\/\/www.thelancet.com\/journals\/lanplh\/article\/PIIS2542-5196(21)00081-4\/fulltext\" target=\"_blank\" rel=\"noopener\">die of cold than heat worldwide<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">An honest accounting of the net effects of carbon dioxide emissions would include the social benefits of carbon, especially global greening\u2019s impact on crop yields, land use and natural vegetation; plus the benefits of warming itself, which include&nbsp;less drought and fewer cold deaths.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Beside, global warming has been slower than originally expected. The 1990&nbsp;<a href=\"https:\/\/en.wikipedia.org\/wiki\/IPCC_First_Assessment_Report\" target=\"_blank\" rel=\"noopener\">first report<\/a>&nbsp;of the IPCC predicted 0.3 degrees of warming per decade and the rate of warming since then has been less than&nbsp;<a href=\"https:\/\/phys.org\/news\/2023-06-world-decade-scientists.html\" target=\"_blank\" rel=\"noopener\">0.2 degrees per decade<\/a>. &nbsp;This fits with recent estimates that climate sensitivity is&nbsp;<a href=\"https:\/\/link.springer.com\/article\/10.1007\/s00382-014-2342-y\" target=\"_blank\" rel=\"noopener\">lower than previously thought<\/a>, which in itself drastically reduces realistic estimates of the&nbsp;<a href=\"https:\/\/www.rossmckitrick.com\/uploads\/4\/8\/0\/8\/4808045\/empirical_scc_cce_preprint.pdf\" target=\"_blank\" rel=\"noopener\">social cost of carbon<\/a>. Once you do all this, you find that it is impossible to justify the word \u2018crisis\u2019.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Now compare the small, possibly negative cost of carbon with the large and rising&nbsp;<a href=\"https:\/\/cowboystatedaily.com\/2023\/07\/08\/kenyan-farmer-wants-to-give-activists-taste-of-what-agriculture-would-be-like-without-fossil-fuels\" target=\"_blank\" rel=\"noopener\">cost of the green transition<\/a>, especially fuel poverty, indoor air pollution and deforestation in Africa (caused by the West refusing to help Africans replace firewood with natural gas). This must include the environmental impact of the land grab for unreliables, resulting in \u2013 just one example \u2014 the imminent extinction in the wild of the Great Indian Bustard, caused by wind farms and solar farms (fossil fuels by contrast have caused zero extinctions so far).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">But still you have not finished. You cannot forget the opportunity&nbsp;cost of spending fortunes on climate change while ignoring invasive species, ocean overfishing and other much more urgent environmental threats. Or the cost of stranded assets: blowing up and replacing power stations before the end of their useful lives, wasting useful investment.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Once you take all this into the calculation, and if you use reasonable&nbsp;discount rates, it is difficult to get the social cost of carbon as a net harm at all, even in the distant future, let alone make it bigger than the cost of the transition. The effect of global greening thus trumps the effect of global warming. But to admit as much would threaten the careers of many thousands of activists, politicians, scientists and journalists. So psychologically, they will be very reluctant to admit it.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Matt Ridley is a British science writer, journalist and businessman. Author of&nbsp;<\/em>The Rational Optimist<em>&nbsp;and many other books of popular explanation, he writes on science, the environment and economics.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>According to the BBC, climate change has become more alarming during the 21st century. What they once called global warming they now call global heating; what they once called climate change they now call the climate crisis. If it is a crisis, then official estimates of the damage that climate change has done and will do if the models prove accurate should be easy to obtain. They are 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