2+ hour, 25+ min ago  (549+ words) About two tons of satellite material burns up in Earth's atmosphere every day. That is the steady-state exhaust of a single company's broadband network, Space X's Starlink, operating at its current scale. Each vaporized spacecraft leaves behind aluminum oxide, lithium,…...

1+ mon, 3+ day ago  (952+ words) Picture turning yard waste, wood scraps, and farm leftovers into something that stores carbon underground for centuries and improves soil health. That's the idea behind biochar. While this is true, it doesn't tell the full story. For over twenty years,…...