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The composition of fossilised zooplankton shells has enabled the reconstruction of past pH and CO2. Credit: University of Southampton

By 2025, carbon dioxide levels in Earth’s atmosphere will be higher...

Natural magnesite crystal (4 microns wide).

Faster way to make mineral to remove carbon dioxide from atmosphere

A 3D computer model of the asthenosphere by Rice University geophysicists finds that the convective cycling and pressure-driven flow can sometimes cause the asthenosphere to move even faster than the tectonic plates riding atop it.

Flow in the asthenosphere drags tectonic plates along

Localization and geometry of the "Unit 2" corresponding to the sediment body originated by the Zanclean mega flood.

Scientists find new evidences of the megaflood that ended the Messinian...

the central range of Taiwan

Mountain erosion may add CO2 to the atmosphere

The Pinnacles of Gunung Mulu in Borneo

New source of global nitrogen discovered

A sample of 2-billion-year-old salt (pink-white recrystallized halite) with embedded fragments of calcium sulfate from a geological drill core in Russian Karelia.

Two-billion-year-old salt rock reveals rise of oxygen in ancient atmosphere

Ocean.

Primordial oceans had oxygen 250 million years before the atmosphere

Rock layers in the Pongola Basin, South Africa.

World’s oldest known oxygen oasis discovered

pillow basalts from undersea volcanic eruptions,

Which came first: Complex life or high atmospheric oxygen?

Formation of coal almost turned our planet into a snowball

Changes in Earth’s crust caused oxygen to fill the atmosphere

Early Earth had a hazy, methane-filled atmosphere

Study opens new questions on how the atmosphere and oceans formed

Fossil fuel formation: Key to atmosphere’s oxygen?

Earth’s ‘technosphere’ now weighs 30 trillion tons

Scientists probe underground depths of Earth’s carbon cycle

Pollution emitted near equator has biggest impact on global ozone

Megadrought risks in southwest U.S. soar as atmosphere warms

Ice cores reveal a slow decline in atmospheric oxygen over the...

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