Whether terrestrial forests or oceanic phytoplankton, the conversion of inorganic carbon into organic matter via photosynthesis remains the biological miracle for life on Earth.
NASA satellites, primarily from the MODIS and AVHRR sensors, show many areas of our planet becoming visibly greener. Up to 70% of this greening is attributed to CO₂ fertilisation. Yet this was not the looming crisis the UN long prophesied.
Instead, it’s a spectacular recovery driving higher food productivity. Desert margins are shrinking and parts of the Arctic are greening. Recent data from the NOAA Arctic Report Card confirms tundra greenness is at near-record highs.
New studies have deepened our understanding of the benefits of higher CO₂ for global greening and farm productivity. Plants stay greener longer because elevated CO₂ lets them use water more efficiently. Since 1960, CO₂ has boosted photosynthesis in wheat by roughly 35% and soybeans by around 18%.
CO₂ and chlorophyll are the fundamental building blocks of photosynthesis, sustaining virtually every food chain on the planet. They nourish phytoplankton and algae in the oceans, as well as all terrestrial plant life — forming the basis for all living things, including humanity.
As the visualisation reminds us, this miracle isn't confined to land. Microscopic phytoplankton transforms sunlight and CO₂ into biomass, generating between 50% and 80% of the Earth's oxygen in the process.
CO₂ is indirectly responsible for feeding every creature on Earth.
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