It is true that CO2 has gone up on its own in the past, most notably during the glacial-interglacial cycles. During this time, CO2 rose and fell by over 100 ppm, ranging between around 180 to 300ppm.

The world’s first cargo ship that produces nearly zero planet-heating pollution is on track to set sail in 2026, according to one of the firms behind the project.

The CO2 is then available for light-dependent reactions in the daytime, and stomata close, reducing the risk of water loss. Additional resources Discover more facts about photosynthesis with the ...

The claim: Ice core data shows CO2 does not cause global temperature changes. A Dec. 20, 2023, Instagram video (direct link, archive link) shows clips from the movie "The Great Global Warming ...

By Angela Dewan, CNN Finally, some good news in the battle against greenhouse gasses: Carbon dioxide (CO2) emissions from the burning of fossil fuels are on track to rise less than 1% this year ...