2007 Carbon Climate Change Philippines 
Cars That Think
DECEMBER 21, 2023
Last January, in the waters off Cebu City in the Philippines, researchers first deployed a huge flexible ring seeded with seaweed and spanned by spokelike ropes and tubes. At daybreak, the cranks pull the ring back up to the surface to soak up sunlight and carbon dioxide. This article is part of our special report Top Tech 2024.
Green Car Congress
APRIL 24, 2009
Emissions of two of the most important climate change gases increased last year, according to a preliminary analysis for NOAA’s annual greenhouse gas index, which tracks data from 60 sites around the world. billion tons of carbon dioxide (CO 2 )—a byproduct of fossil fuel burning—and 12.2 Credit: NOAA. Click to enlarge.
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