*In 1970, Life magazine predicted that all urban city dwellers would need to wear gas masks in order to survive in an air polluted climate by the year 1980, and that sunlight would only penetrate half as hard as it did due to particles in the air.<ref>https://www.cnsnews.com/commentary/jarrett-stepman/5-dire-climate-predictions-never-came-true</ref> | *In 1970, Life magazine predicted that all urban city dwellers would need to wear gas masks in order to survive in an air polluted climate by the year 1980, and that sunlight would only penetrate half as hard as it did due to particles in the air.<ref>https://www.cnsnews.com/commentary/jarrett-stepman/5-dire-climate-predictions-never-came-true</ref> |