BBCNEWS BBC News June 4, 2024 17:21:00
The black basalt hillside is being steadily eaten away to make concrete and asphalt for new roads. this is our magic dust. basalt is a volcanic rock found in abundance around the world. and as it weathers in the rain, it takes the greenhouse gas carbon dioxide out of the atmosphere. that's what's balanced our climate for the last millennia. enhanced rock weathering is a way of turbocharging that natural removal. what we do is we use this fine material which massively speeds up the process. so more contact between the rain and the rock? exactly. we watch as the basalt is spread. the science is ...