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The 2010s Have Been Amazing

Global life expectancy increased by more than three years in the past 10 years, mostly thanks to prevention of childhood deaths. According to the U.N., the global mortality rate for children under 5 declined from 5.6% in 2008 to 3.9% in 2018. A longer perspective shows how far we’ve come. Since 1950, Chad has reduced the child mortality rate by 56%, and it’s the worst-performing country in the world. South Korea reduced it by 98%.

Hasn’t this all come at the cost of a despoiled environment? No. At a certain point developed countries start polluting less. Death rates from air pollution declined by almost a fifth world-wide and a quarter in China between 2007 and 2017, according to the online publication Our World in Data.

Rich countries use less aluminum, nickel, copper, steel, stone, cement, sand, wood, paper, fertilizer, water, crop acreage and fossil fuel every year, as Andrew McAfee documents in “More From Less.” Consumption of 66 out of 72 resources tracked by the U.S. Geological Survey is now declining.

Global warming remains a challenge, but wealthy societies are well-positioned to develop clean technologies and to deal with the problems of a changing climate. Annual deaths from climate-related disasters declined by one-third between 2000-09 and 2010-15, to 0.35 per 100,000 people, according to the International Database of Disasters—a 95% reduction since the 1960s. That’s not because of fewer disasters, but better capabilities to deal with them.

Progress isn’t guaranteed. Look how wealthy Venezuela collapsed under the burden of crazy policies. A war between major powers, or a financial crash after a decade of easy money, could throw the world off course. So could never-ending trade wars and an unraveling of globalization.

Yet we’ve lived through a period of populist revolts and geopolitical tensions, and wherever societies have been open and markets free, scientists, innovators and businesses persisted and made greater progress than ever.

That’s the case for optimism. Tin-pot strongmen, looting politicians and punctilious bureaucrats make mischief with societies and economies. But mankind creates faster than they can squander, and repairs more than they can destroy.