I can't wait until they makes these no cost, low-maintenance, and self-replacing. Oh man, just think of how easy it would be to fix our climate issues!
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I mean, this may get downvoted, but trees are just trying to live, not fix the climate. They are a very real part of the solution, but I’m fine with considering ‘supplements’.
Sometimes the enemy of the good is the perfect.
If the construction of these can provide a more efficient means of carbon capture than growing trees then turning those trees into building materials over and over …. It’s a good thing.
If not … it’s performative tbh.
It's performative, the biggest 'carbon capture' facility made so far, didn't even come close to offsetting its own carbon footprint.
Totally agree.
My question is, wouldn't the power needed to run these negate the benefits they bring?
This is also ignoring the gross notion that these can make money so they're more worthy than trees when considering solutions.
The hardest part about green energy is getting it to the time and place where it can be most useful. That's why real time solar power prices sometimes dip negative (where the producers are literally paying people to take that excess power off the grid), and sometimes in consistent and predictable ways (e.g., California's "duck curve" in spring and autumn).
So with solar power being the cheapest form of generation, but highly dependent on weather conditions, the solution might be to build up overcapacity where production during cloudy days is enough, and then find some way to store the excess on sunny days for nighttime, and maybe using intermittent power sinks that can productively use energy only when the production is high (charging batteries, preemptively cooling or heating buildings and storing that for later, capturing carbon, performing less time-sensitive computer calculations like data analysis for science, etc.)
If we have systems that produce too much energy, then carbon capture (including through manufacture of fuel or other chemical feedstocks) can vary by time of day to address overcapacity.
if it's powered by renewables, sure. if not... uh.... seems like we'd be much, much better off reducing output.
It’s not entirely powered by renewables day 1, but a small solar array that they plan to build upon over time.
https://www.1pointfive.com/
Power for Direct Air Capture will be sourced from new renewable or low-emission power sources. Power generation will be additional to what is available from the grid today, ensuring DAC is not removing an existing supply of renewable power from the grid.