Articles on Carbon dioxide

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The Cape Grim observatory, home of the ‘world’s cleanest air’… and rising greenhouse gases. CSIRO

Why there’s more greenhouse gas in the atmosphere than you may have realised

Carbon dioxide levels in the atmosphere are at 414 parts per million. But thanks to a recalculation of methane's warming power, the total amount of greenhouse gases is now equivalent to more than 500.
All is not well in the world just because stock markets are up – particularly when it comes to climate change. THE CANADIAN PRESS/Frank Gunn

It’s worth a daily reminder: When markets are up, the environment is down

Don't let stock markets reports convince you that when the markets are up, all is well in the world. When the market is up, carbon dioxide in the atmosphere is up, and the global environment is down.
Droplets rising from the Champagne vent on the ocean floor in the Mariana Islands. Fluids venting from the site contain dissolved carbon dioxide. NOAA Ocean Explorer

Deep sea carbon reservoirs once superheated the Earth – could it happen again?

Thousands of years ago, carbon gases trapped on the seafloor escaped, causing drastic warming that helped end the last ice age. A scientist says climate change could cause this process to repeat.
The Soybean Free Air Concentration Enrichment (SoyFACE) research facility at the University of Illinois, Urbana-Champaign. Claire Benjamin/RIPE Project

Together, more heat and more carbon dioxide may not alter quantity or nutritional quality of crops

Many researchers have studied the impact of carbon dioxide and heat on crop growth inside greenhouses. But what happens in the real world? One team has just done this and the results are surprising.

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