Oceans on Earth may have all been green for eons before they turned blue
Earth's oceans may have been green for billions of years until the first photosynthetic organisms flooded our atmosphere with ...
JD Supra6h
The Hidden Cost of AI: Energy, Water, and the Sustainability Challenge
As AI systems grow more powerful and widespread, concerns over their sustainability are mounting, raising questions about ...
New Scientist18h
Earth’s oceans may have been green for billions of years
Some cyanobacteria have pigments that specialise in harvesting green light to power their photosynthesis, which may be an evolutionary adaptation to a time when the oceans were iron-rich and green-tin ...
unep.org21h
World must pull together to build a fairer, more sustainable planet - UNEP’s Annual Report
Annual Report, released today, calls for a dramatic uptick in ambition and action for the environment. The 2024 Annual Report ...
earth1d
"Purple Earth Hypothesis" is gaining momentum in the scientific community
Purple Earth Hypothesis suggests Earth was once a purple planet. Early microbes used retinal, not chlorophyll, for ...
'Goodbye Earth, hello moon': What Blue Ghost lander has been up to in NASA mission
The lander, Blue Ghost, fired its engines for four minutes Thursday to propel the spacecraft into lunar orbit ahead of a ...