Plants, algae, and other photosynthesizers consume CO2, but much of it is eventually returned to the atmosphere when the organisms die. (sciencemag.org)
Rebuilding plants into bionic superpowered energy photosynthesizers — we have the nanotechnology (scientificamerican.com)
The cause of this dry season «greening up» has been debated; many scientists have pinned it on extra sunlight or on drought, which they say could make plants more efficient photosynthesizers. (sciencemag.org)