Bjorn Lomborg: Let’s Not Ignore The Many Benefits Of Global Warming

  • Date: 06/05/16
  • Bjorn Lomborg, The Daily Telegraph

If our climate conversation managed to include the good along with the bad, we would have a much better understanding of our options.

Last week, a study in the prestigious journal Nature revealed just how much CO₂ increases have greened the Earth over the past three decades. Because CO₂ acts as a fertilizer, as much as half of all vegetated land is persistently greener today. This ought to be a cause for great joy.

Instead, the BBC focused on warning that the paper shouldn’t make us stop worrying about global warming, with threats like melting glaciers and more severe tropical storms. Many other major news outlets did not even report on the study.

Our climate conversation is lopsided. There is ample room to suggest that climate change has caused this problem or that negative outcome, but any mention of positives is frowned upon. We have known for decades that increasing CO₂ and precipitation from global warming will make the world much greener – by the end of the century, it is likely that global biomass will have increased by forty percent.

Similarly, we know that many more people die from cold than from heat. The biggest study on heat and cold deaths, published last year in Lancet, examined more than 74 million deaths from 384 locations in 13 countries from cold Sweden to hot Thailand. The researchers found that heat causes almost one-half of one percent of all deaths, while more than 7 percent are caused by cold.

As global warming pushes temperatures up, more people will die in heat waves; a point emphasized by campaigners like UN climate chief, Christiana Figueres. What we don’t hear from her is that fewer people will die from cold. One study for England and Wales shows that heat kills 1,500 annually and cold kills 32,000. By the 2080s, increased heat-waves will kill nearly 5,000 in a comparable population. But ‘cold deaths’ will have dropped by 10,000, meaning 6,500 fewer die altogether.

Only mentioning the negatives distorts and degrades the political conversation. Any reasonable person can recognize both positives and negatives among the policy proposals of both Tories and Labour. It is an extreme partisan that insists either side offers only negatives.

Yet, this is the position enforced by the climate alarmists – last seen in a letter to The Times from Lord Krebs and company, essentially telling the newspaper to stop reporting less-than-negative climate stories. While it is true any individual news story rarely represents the whole truth, it is revealing that such campaigners don’t send out similar letters to correct the daily deluge of alarmist stories.

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