Is it feasible to remove carbon dioxide from the atmosphere?

Last week, the media reported that atmospheric carbon dioxide is at its highest levels in more than 4 million years. Carbon dioxide in the atmosphere is one of the primary drivers of global warming. The dip in greenhouse ...

Self-healing concrete could multiply lifespans of structures

Researchers at Worcester Polytechnic Institute (WPI) are using an enzyme found in red blood cells to create self-healing concrete that is four times more durable than traditional concrete, extending the life of concrete-based ...

Liquid water on exomoons of free-floating planets

The moons of planets that have no parent star can possess an atmosphere and retain liquid water. Astrophysicists at LMU have calculated that such systems could harbor sufficient water to make life possible—and sustain it.

Coronavirus response barely slows rising carbon dioxide

Atmospheric carbon dioxide measured at NOAA's Mauna Loa Atmospheric Baseline Observatory peaked for 2021 in May at a monthly average of 419 parts per million (ppm), the highest level since accurate measurements began 63 years ...

Greenhouse gases are shrinking the stratosphere

An international team of climate scientists has found evidence showing that human-created greenhouse gases have led to a shrinking stratosphere. In their paper published in the journal Environmental Research Letters, the ...

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Carbon dioxide in the Earth's atmosphere

Carbon dioxide forms approximately 0.04% of the Earth's atmosphere. It is essential to photosynthesis in plants and other photoautotrophs, and is also a prominent greenhouse gas.

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