big ideas

“We need to take CO2 out of the sky.”

I like this post because of the detailed descriptions of the various technologies for direct carbon capture. I don’t think I agree with the premise that it’s imperative to achieve a specific international target for average warming. ~ learn more

big ideas

Innovative small wind turbines.

“Our approach to sustainable energy is creating sleek, innovative, efficient, and aesthetic turbines, with the goal of making them a centerpiece of a worldwide renewable energy movement.” ~ learn more

big ideas

White paint to help cool a hot planet.

A professor of mechanical engineering at Purdue University has created the whitest paint on record. “The paint’s properties are almost superheroic. It can make surfaces as much as eight degrees Fahrenheit cooler than ambient air temperatures at midday, and up […]

big ideas

Geothermal energy: 2023 update.

“The geothermal technology flywheel is getting close to being self-sustaining. Commercial closed-loop projects should be operational within the next 2-3 years. They will spark copycats if they are successful.” ~ learn more

big ideas

For sale: a promise to remove invisible gas.

Jamie Wong, a “Software engineer learning about climate tech”, wrote this primer on Carbon Dioxide Removal and the industry forming around it. He discusses the various startups working on pulling carbon out of the air and storing it somewhere permanent, […]

big ideas

Earth’s microbial diversity may be underestimated.

A recent survey of 99 coral reefs found 500k species, which is kind of a lot. “The immense diversity of the microbes on the reefs may offer “ecological insurance” for coral, fish and other inhabitants, Pierre Galand, a researcher at […]

big ideas

JP Morgan’s big bet on carbon removal.

They are funding direct-air capture, which is probably my favorite technology solution for removing carbon from the air. The problem is that it requires a lot of energy, so it’s expensive. But by both raising capital for the providers (they […]

big ideas

Adapting to climate change.

“The remarkable decline in the US temperature-mortality relationship over the twentieth century.” Air conditioners are one of the three adaptations. This reinforces the point that climate predictions that don’t account for adaptation (probably most of them?) are missing something critical. […]