Behind a chain-link fence in a nondescript corner of San Joaquin County sits one of California's — and perhaps the world's — best hopes for combating climate change. Here at the nation's first commercial direct air capture facility, towering trays of limestone mineral powder are working round-the-clock to remove carbon dioxide from the atmosphere.
He added that it is not really possible to design a stratospheric deployment that is limited to one part of the world's geography, meaning that any injections would have global implications. Critically, Field and other experts said geoengineering should not take the place of decarbonization, or efforts to reduce or eliminate CO2 emissions around the world. California has committed to reaching carbon neutrality by 2045.