co2

A DIY demonstration of a fan-and-screen mosquito trap that uses carbonated water as a CO2 attractant. The creator reports catching about 8,000 mosquitoes in two nights.

Tom Scott features Kurtis Baute inside a sealed homemade biodome as carbon dioxide builds up, showing how stale air with elevated CO2 affects cognitive function. Sources include studies on CO2 and cognitive scores.

Sabine Hossenfelder explains how the greenhouse effect actually works, given that infrared is mostly absorbed low in the atmosphere already. She walks through why more CO2 still warms the surface.

Veritasium debunks common climate change myths in under seven minutes, with references to NASA and published research. Topics include CO2 sources, sea ice and 1970s predictions of cooling.

Engineering Explained compares the lifetime CO2 emissions of a Toyota RAV4 Prime plug-in hybrid with a Tesla Model Y, looking at break-even mileage and whether electric cars are worse for the environment.

Veritasium examines whether food has become less nutritious, weighing soil depletion, selective breeding and rising atmospheric CO2. It evidences nutrient decline even in weeds over a century and ties it to faster plant growth.

Researcher Kamal Meattle describes how an arrangement of three common houseplants placed in specific spots can measurably clean the air in a home or office. It is a short TED talk based on his work in a plant-filled building.

Destin Sandlin of Smarter Every Day undergoes hypoxia training and experiences his own impaired thinking as oxygen is withdrawn. The video shows how quickly and unnoticeably oxygen deprivation degrades judgment, illustrating why you put your own mask on first.

Carl Sagan's December 1985 testimony to Congress on the greenhouse effect, about 15 minutes long. He lays out CO2 warming, the risk of runaway effects and the danger of continued coal burning.

Elon Musk gives students at the Sorbonne a short, simple explanation of climate change and carbon emissions shortly before the 2015 COP21 conference in Paris. He covers why CO2 accumulation matters and argues for a carbon tax.

A four-minute demo of the greenhouse effect showing how increased carbon dioxide raises temperature. It uses a simple setup that is dramatic and easy to understand.