Whatever happened to GLOBAL COOLING?

TL;DR

In the 1970s, scientists were concerned about the potential of global cooling, but further research and data analysis revealed that the warming effects of greenhouse gases far outweighed any cooling effects, leading to the consensus on global warming.

Transcript

this video is sponsored by brilliant org it's the 1970s Star Wars has just come out disco is cool and scientists are saying that we might all freeze to death due to global cooling that's right before the current focus by scientists in the media on global warming they used to be more worried about the potential of the earth entering a new Ice Age tw... Read More

Key Insights

• 🌐 Climate research in the 1970s saw a shift from concerns about global cooling to an understanding of the dominant influence of greenhouse gases on global warming.
• 👨‍🔬 Scientists in different subfields of climate science, such as aerosol science and greenhouse gas research, contributed to the understanding of global temperature changes.
• 🌐 The media focused on global cooling in the 1970s, but scientific consensus has always been on global warming.

Questions & Answers

Q: Why did scientists change their focus from global cooling to global warming in the 1970s?

Scientists in the 1970s were working in different subfields of climate science, and as more data became available, it became clear that the warming effects of greenhouse gases outweighed any cooling effects from aerosols or variations in solar radiation.

Q: Was there a scientific consensus on global cooling in the 1970s?

No, there was never a scientific consensus on global cooling. While some scientists were concerned about the potential of a new ice age, the prevailing theory even then was on the warming effects of greenhouse gases.

Q: Why did the media focus on global cooling in the 1970s?

The media often gravitates towards sensationalist stories, and the idea of an imminent ice age seemed more alarming and compelling at the time. However, it did not reflect the scientific consensus.

Q: What are the main factors contributing to global warming?

The primary factor contributing to global warming is the increase in greenhouse gases, especially carbon dioxide, released into the atmosphere from human activities such as burning fossil fuels. These gases trap heat and lead to the overall warming of the planet.

Summary & Key Takeaways

• In the 1970s, scientists were initially concerned about global cooling, based on reconstructions of global average temperatures and the possibility of a new ice age due to slight variations in Earth's orbit.

• However, further research and understanding of the various subfields of climate science, such as aerosol science and greenhouse gases, revealed that the warming effects of greenhouse gases, especially carbon dioxide, were the dominant influence on global temperature changes.

• Since the 1970s, scientific consensus has been on global warming, with undeniable evidence of increasing global temperatures.